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Physics Toy Store

for @physicsfun Instagram followers

"Where did you get all these things?" This question is often asked in the comments of my IG posts. My goal is to share the real magic of science and physics and to this end I will update this page with suggestions on where to get some of these toys, kinetic art pieces, and scientific curiosities for yourself. Purchasing items from the links on this page will help support my IG page of science and wonder. Thanks!

The Swinging Sticks Desktop Toy:
Special Offer! Click the link in Side Bar for details------------------------------------->



Ferrofluid Magnetic Tree Sculpture: Nano Tree by Concept Zero

Choose from black, blue, or gold ferrofluid:

Available on Etsy: BUY NOW Nano Tree Ferrofluid Sculpture
See the amazing collection of ferrofluid displays and art at the Concept Zero webpage and check out the next video below!


Colored Ferrofluids

Colored Ferrofluid Display Cells: spectacular metallic blue, gold, and black display cells by @czferro - colloidal ferromagnetic liquids in a specially prepared water-alcohol suspension. Curious behavior results from the interplay between magnetic force and surface tension. The gold and blue coloring appears to be from a thin coating at the boundary between the ferrofluid and the suspension liquid. Still exploring the details of the coloring and the specific makeup of the clear suspension fluid - both trade secrets it seems. 🌟Special thanks to @czferro of Concept Zero design studio for these beautiful displays! ➡️ Follow the link in my @physicsfun profile for info on where to get these and other amazing ferrofluid displays. #ferrofluid #fluiddynamics #magnets #magneticfield #magnetism #colloidal #physics #physicstoy #science #surfacetension #neodymium #conceptzero #goldferrofluid #scienceisawesome #electromagnetism

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Available on Etsy: BUY NOW Motion Ferrofluid Sculpture


Infinity Mirror Tea-Light Candle

Many versions to choose from! Get one here:

From Amazon: BUY NOW Infinity Tea-Light

From eBay: BUY NOW Infinity Candles


Jupiter Globe by Mova

Available for all the planets and several versions of Earth:

From Amazon: BUY NOW Mova Globes: all types
From Amazon: BUY NOW Mova Globes: Jupiter


From eBay: BUY NOW Mova Globes: all types
From eBay: BUY NOW Mova Globe: Jupiter



Hyperboloid Spinner

Now available here-- fully assembled or as a kit:

From Amazon: BUY NOW Hyperboliod Spinner: The HypnoGizmo


This toy reminds me of an amazing geometric sculpture where I used to work: Tractricious by Robert Wilson, founding director of Fermi National Accelerator Lab


Self-Propelled Homopolar Motor on Aluminum Foil Racetrack

Self-Propelled Homopolar Motor on Aluminum Foil Racetrack: disk shaped neodymium magnets supply the static magnetic field for this motor and become the wheels of a very simple vehicle with an AAA battery as the energy source. As soon as both ends make contact with the conducting aluminum foil an electric current will flow which in turn induces a magnetic field underneath the battery assembly. This induced field will then interact with the neodymium magnets on each end causing them to spin- a wonderful example of a motor with minimal components. The racetrack is a cardboard circle from a pizza box covered in foil. ➡️ Follow the link in my profile for info about where to get this and other amazing items featured here on @physicsfun #homopolar #motor #homopolarmotor #physics #physicstoy #electromagnetism #magnets #neodymium #ampereslaw #electromagnet #current #aluminumfoil #selfpropelled #science #scienceisawesome

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I used neodymium disk magnets, small end = 1/2" diameter, Large end = 3/4" diameter.

From eBay: BUY NOW Disk Magnets for Simple Motor

Foil Runner Motor assembly diagram:




Turbine Convection Color Candle

Available here:

From Uncommon Goods: BUY NOW Spinning Color Candle Holder



Bimetal See-Saw Engine- with Bears

Bimetal Seesaw Engine: candle powered heat engine- with bears! A coiled bimetal strip, like that found in a thermostat, coils tighter when heated by the flame moving a counterweight that shifts the center of mass to the left and takes the coil out of the flame. The coil then cools returning the counterweight to the right which places the coil back over the flame- and the process repeats until the candle burns out. Any device that converts heat energy into mechanical motion is called a heat engine- like the very simple one here. ➡️ Follow the link in my profile for info on where to get this and many other amazing devices featured here on @physicsfun #physicstoy #heat #heatengine #bears #thermodynamics #bimetal #bimetalstrip #thermostat #coefficientofexpansion #candle #candlelight #seesaw #periodicmotion #scirnce #scienceisawesome

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Available in limited supplies here:

From Amazon: BUY NOW Candle See-Saw

From eBay: BUY NOW Candle See-Saw



Infinity Mirror Light Bulb

Infinity Mirror Light Bulb: illusion of depth from multiple refections. This glass bulb is partially coated inside and out with a thin metal layer. The metal layer is made thinner in a pattern of small circles to produce iridescent colors through thin-film interference effects. When lit from within by white LEDs, multiple reflections on the curved contour create the firework like spray of light and color. So much physics going on in this inexpensive novelty bulb! ➡️ Follow the link in my profile for info on where to get this bulb and other amazing items featured here on @physicsfun #mirror #infinity #reflection #optics #physics #physicstoy #rave #bulb #ledbulb #infinitymirrors #infinitymirror #illusion #science #LED #partialreflection #scienceisawesome

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Available as a light bulb with screw in base, or as a USB Lamp

From eBay: BUY NOW Infinity Mirror Bulb

From Amazon: BUY NOW Infinity Mirror Lamps
Get the minimal tabletop base here:

From Amazon: BUY NOW Minimal Lamp Base



Vortex Dome Kalliroscope

Vortex Dome: kinetic art with rheoscopic fluid in a rotating base. A modern rotating kalliroscope that generates complex and beautiful structures similar to those seen in the cloud bands of the gas giants of our solar system like Jupiter. The capsule is constructed of high quality glass on a heavy stainless steel base which glides on bearings for long spin times. Visualizing the invisible- the Vortex Dome is the creation of engineer/inventor David Fowler aka PhysicsHack. ➡️ Follow the link in my profile for information on where to get this device and other amazing items featured here on @physicsfun #physics #physicstoy #rheoscopic #rheoscopicfliud #fluiddynamics #turbulence #kalliroscope #vortex #angularmomentum #viscosity #kineticart #kineticenergy #vortexdome #science #scienceisawesome

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Get one from David Fowler's Etsy shop:

From PhysicsHack on Etsy: BUY NOW Vortex Dome Kalliroscope
Made with extraordinary craftsmanship and high quality materials, and sold at a very reasonable price! One of my best finds this year!



Infinity Mirror Portal

get one here:

From ThinkGeek: BUY NOW Portal Infinity Mirror
From Amazon: BUY NOW Portal Infinity Mirror



Thermochromic Beam Down Mug:

Get one here:

From Amazon: BUY NOW Beam Down Star Trek Mug



Pixelated Playing Cards

Available from these fine sources:

From Amazon: BUY NOW Pixel Cards
From eBay: BUY NOW Pixel Cards



Wobblo Toy

Available here:

From Amazon: BUY NOW Wobblo Toy



Gauss Gun

Gauss Gun: acceleration of steel balls through magnetic potential energy and cascading collisions. Four neodymium magnets provide the potential energy that is converted into significant kinetic energy of the end steel ball. The initial configuration has two steel balls on one side of each magnet- an incoming ball on the opposite side accelerates and impacts each magnet in turn sending each loosely connected second ball off with greater speed. ➡️ Follow the link in my profile for info on where to get this and other amazing items featured here on @physicsfun #gaussgun #magnet #magnetic #electromagnetism #momentum #conservationofmomentum #impulse #magneticfield #cascade #potentialenergy #physics #physicstoy #collisions #science #scienceisawesome

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Get one from these fine sources:

From Amazon: BUY NOW Gauss Gun Magnetic Cannon

From eBay: BUY NOW Gauss Gun Magnetic Cannon



Vortex II Coin Bank

Get one here:

From Amazon: BUY NOW Vortex II Coin Bank


Designer Kaleidoscope

A work of art by Carol Paretti. Sometimes deals can be found of eBay for designer kaleidoscopes:

From eBay: BUY NOW Designer Kaleidoscopes

More affordable, but still very nice, kaleidoscopes like this one (see links below video):

UV Fluid Flow Kaleidoscope: original glitter wand kaleidoscope made by Illusions back in the 1990s. Intricate geometry from multiple reflections coupled with the viscous fluid motion of the glitter produces this psychedelic kinetic art. Under the illumination of a UV light this version takes it to the next level featuring fluorescent pieces and phosphorescent stars in the fluid of the wand. ➡️ Follow the link in my profile to find where to get kaleidoscopes like this and other amazing items featured here on @physicsfun #Kaleidoscope #kaleidoscopic #physics #reflect #glitterwand #physicstoy #psychedelic #kineticart #glitterstick #science #mirror #symmetry #math #mathtoy #geometry #glitterstick #UV #ultraviolet #blacklight #glowinthedark #scienceisawesome

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Get one here:

From Amazon: BUY NOW Fluid Kaliedoscopes

From eBay: BUY NOW Liquid Kaleidoscopes


Moondrop

Moondrop: using magnets and Lenz's Law to imitate free fall times on the Moon and Mars. The key to this device is the presence of neodymium magnets in the central aluminum column. When a non-magnetic metal ring moves down, the magnetic field in the center produces an electric current in the ring. The ring then temporarily becomes an electromagnet that exerts some repulsion against the center magnets slowing the ring down. The Earthdrop (blue) has the magnets removed from the column to provide comparison. Another unique and scientific fidget toy! ➡️ Follow the link in my profile for info on where to buy this and other amazing items featured here on @physicsfun #physicstoy #phyics #physicsfun #lenzslaw #moondrop #electromagnetism #neodymium #magnet #faraday #moon #mars #gravity #freefall #science #scienceisawesome

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High precision manufacturing and beautifully packaged-- Get the original here:

From the KS campaign: BUY NOW Moondrop Fidget



Oil Drop Cascade

Avilable here:

From eBay: BUY NOW Oil Drop Cascade Timer
From Amazon: BUY NOW Oil Drop Cascade Timer



Refraction Vanishing Act

Refraction Vanishing Act: the liquid (immersion oil) in this glass tube has the same index of refraction as the glass. When the oil covers the glass rod inside the tube, the rod becomes invisible! Immersion oil is used with high resolution microscopes and designed to have the same index of refraction as the glass slide and objective lens. This physics puzzle demonstration was handcrafted by a glass maker in Germany and is sold by experimentis, the online shop for physics. ➡️ Follow the link in my profile for info on where to get this and many other amazing items featured here on @physicsfun #physicstoy #physics #physicsfun #optics #indexofrefraction #immersionoil #microscope #microscopy #invisibility #refraction #glassart #science #scienceisawesome

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This glass device is available from this shop in Germany:

From experimentis-shop.de: BUY NOW Vanishing Glass Demonstration

See the following video and links for similar physics fun!



Poly-acrylamide Polymer Vanishing Act

Poly-acrylamide Polymer Vanishing Act: these spheres of hydrophilic polymer have an almost identical index of refraction as that of water- thus when submersed they become invisible. Note the elasticity of these spheres from the way they bounce, while at the same time they refract their surroundings as a spherical lens. The super absorbent spheres start as 1.5mm hard crystals and grow to 10mm when immersed in water for an hour or so. So much physics! ➡️ Follow the link in my profile for info on where to get these and other amazing items featured here on @physicsfun #indexofrefraction #refraction #physics #physicstoy #hydrophilic #watergel #watergelcrystals #polyacrylamide #optics #invisible #invisibility #science #scienceisawesome

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Get some of these grow-spheres here:


From Educational Innovations: BUY NOW Growing Spheres


Kaleidograph

Four versions to choose from!

From Amazon: BUY NOW Kaleidograph



The Ooze Tube

Ooze Tube: viscous polyisobutene fluid timer toy. Some interesting physics phenomena are found in this kinetic art novelty item: the "liquid rope-coil effect" where the fluid thread coils and stacks as it lands on the pooling surface, and a curious periodicity in the rate of flow that is related to the formation of non-spherical bubbles as the air and fluid trade places (shown in time-lapse). The physics of the coiling effect is complex (see the link in my blog). Broadly speaking the coiling is due to the bottom of the fluid rope widening at the contact point with the surface, and as it widens the fluid slows down but not evenly. This uneven rate of flow produces a bend and the elasticity of the stream constrains the rope to a limited radius- hence a stack of coils. ➡️ Follow the link in my profile for info on where to get this and many of the amazing items featured here on @physicsfun #ropecoil #viscosity #fluiddynamics #fluidmechanics #physics #physicstoy #viscousbuckling #geophysics #helix #helicalcoil #liquidrope #liquidropecoileffect #ooze #oozetube #coileffect #kineticart #science #scienceisawesome

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Get one here!


From Educational Innovations: BUY NOW Ooze Tube
From Amazon: BUY NOW Ooze Tube

The physics of the liquid rope-coil effect is pretty complex. Here is a recent scientific paper on the topic with nice illustrations.

Journal of Fluid Mechanics: Multiple coexisting states of liquid rope coiling



Teleidoscope with Reflective Diffraction Disk

Very nice wooden mini-teleidoscopes are affordably priced here:

From Amazon: BUY NOW Mini Teleidoscope
From Etsy: BUY NOW Mini Teleidoscope

Diffraction spin disks are getting harder to find. Here are some sources:

From eBay: BUY NOW Diffraction Spin Disk
and here: From Flynn Sci: BUY NOW Atom Disk



Strandbeest Model Kit by Theo Jansen

Strandbeest Mini: A fully working model of artist Theo Jansen's Strandbeest kinetic sculpture which features Jansen's linkage- a unique leg mechanism which converts rotary motion of a crackshaft into smooth walking motion. Jansen's creations are usually a couple meters high and walk the beaches of the Netherlands powered by the wind. This version comes as a model kit that snaps together with no glue- a really fun project! ➡️ Follow the link in my profile for information on where to get this device and many other amazing items featured here on @physicsfun #jansen #theojansen #strandbeest #wind #windpower #linkage #jansenslinkage #physics #physicstoy #noncirculargear #sungear #geartrain #science #kineticsculpture #kineticart #art #torque #scienceisawesome

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Get one here! Make sure to get the Jr. Scientist version of this kit for best results.

From Amazon: BUY NOW Strandbeest Model Kit


Read about Theo Jansen and his novel leg linkage mechanism for the Strandbeests via these Wiki pages.



Radiometer in Acrylic

Similar vintage items can often be found on eBay (a bit pricey though):

From eBay: BUY NOW Radiometer in Acrylic

Regular radiometers are available from these sources:


From Educational Innovations: BUY NOW Radiometer

A wide variety available here, including some nice blown glass displays:

From Amazon: BUY NOW Radiometers

Hundreds of options on eBay:

From eBay: BUY NOW Radiometers



Weighted Rattleback

Weighted Rattleback: prefers to spin counter clockwise. If spun clockwise, a complicated combination of friction, precession, and instability induced vibrations transforms the rotational energy into into rattling (energy of oscillations) and then into rotational energy in the opposite direction! For this rattleback design, this behavior is related to the asymmetric placement of weights near the ends which are slightly rotated off of the line of symmetry. From experimentis, the online shop for physics toys. ➡️ Follow the link in my @physicsfun profile for info on where to get a rattleback and learn more about its physics. #rattleback #celt #physics #physicstoy #rotation #instability #kineticenergy #torque #friction #angularmomentum #precession #science #scienceisawesome #kineticart

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This beautiful weighted version is available from this shop in Germany:


From experimentis-shop.de: BUY NOW Weighted Rattleback

Educational Innovations has reasonably priced acrylic rattlebacks in their shop:


From Educational Innovations: BUY NOW Rattlebacks
From Amazon: BUY NOW Rattlebacks

See other rattleback designs in my collection here (and some links to the physics!)



Vortex Marble with Gibson Opal

Vortex Marble with Gilson Opal Sphere: glass art intersects with the physics of optics in this spectacular piece from lampworking master Raven Copeland aka @madglasser -The clear glass face acts as a convex lens giving the illusion that the spiral goes deeper than the diameter of the marble. The illusion is even stronger in person and I'm still trying to figure out how Raven produces the amazing 3-D background features. ➡️ Follow the link in my profile for info on where to get art marbles like this- and other amazing items featured here on @physicsfun #physicsmeetsart #physics #physicstoy #marble #vortex #vortexmarble #madglasser #madglasser10k #optics #refraction #indexofrefraction #opalescence #iridescence #illusion #art #artglass #artmarble #marble #amazing #lampwork #lampworking #vitamino #opal #fumed #science #scienceisawesome

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Similar art glass available here:

From Etsy: BUY NOW Vortex Marbles



Vintage 360° Hologram by Skydisc

360° Photopolymer Reflective Hologram: Batman from the Saga of the Dark Knight card series 1994. Incredible 3D image by Skybox International- rotate the disk to reveal an animated 360 degree view. Unlike photographs, holograms are recordings of the interference pattern of light waves. This interference pattern can encode moving 3D images which are then reanimated by illumination with a point source of light and viewing from an appropriate angle. Looks even more stunning in person! ➡️ Follow the link in my profile for info on where to buy this and many other amazing items featured here on @physicsfun #physics #physicstoy #hologram #holographic #interference #optics #photopolymer #photopolymerhologram #batman #DarkKnight #skybox #laser #science #scienceisawesome #DCcomics #throwback #skydisc

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These vintage holograms are available on eBay-- Batman, Superman, and others:

From eBay: BUY NOW Skydisc Animated Hologram



Maxwell's Dynamical Top

Maxwell’s Dynamical Top: another demonstration of the strange properties of rotating bodies created by the great physicist James Clerk Maxwell. When this massive brass bell-shaped top is spinning an interesting stability can occur- push on the stem with an object (like a pencil) and the top will push back, forcing the stem against that object, and friction will cause the stem to roll along and trace the edge of the object. In this design the stem will trace along the edge of a metal spiral, clinging to it like a magnet- but magnets are NOT involved here. The key to this design is to make the contact point/tip of the top at its own center of mass, then any frictional force in contact with the stem will produce a torque about the contact point at right angle to the direction of friction that creates the stabilizing force (students of physics may recognize application of the right hand rule here). An extreme physics toy! ➡️ Follow the link in my profile for info on where to get most of the amazing items featured here on @physicsfun #angularmomentum #rotation #torque #vector #vectoraddition #precession #physics #physicstoy #MaxwellsTop #dynamical #spiral #friction #rollingwithoutslipping #spinningtop #science #gyroscope #gyroscopic #scienceisawesome

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This version of Maxwell's Top was produced in limited quantities in the 1990s by Lee Valley Tools. Currently hard to find.

Similar physics to gyroscopes! See next video and link for details.



Precession of a Gyroscope

Get one here:

From Amazon: BUY NOW Gyroscopes
From eBay: BUY NOW Gyroscopes



Polage: Art with Polarized Light

Polage Display: art with polarized light using polarizing sheets and cellulose to create changing forms and colors. Rotation of the filter allows the artist to produce colorful metamorphosis. This piece was created by Austine Wood Comarow- the main developer of this art form- as part of a campaign to promote Maui Jim polarized sunglasses. Light has an orientation, denoted as polarization, and a polarizing filter can be used to block certain orientations. The colors in polage come from how the molecular structure of plastics can rotate the polarization of any light that passes through- but only light corresponding to yellows and greens gets rotated in plastic, reds and blues not so much. Polage uses different layers of plastic to rotate the light, and then polarizing filters are added to allow only certain frequencies (colors) of light through. ➡️ Follow the link in my profile for more info about the physics of polage and where to get art featured on @physicsfun #polarizer #polarizedlight #light #optics #physics #physicstoy #kineticart #electromagnetism #polage #science #linearpolarization #scienceisawesome #AustineWood #mauijim #polarizedsunglasses @austine_studio

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Austine has an online gallery of her amazing work.

From Austine Studios: Polarized Light Art

This kit has everything needed to make your own polarization art:


From Educational Innovations: BUY NOW Polarizing Film Kit
The kit also includes a birefringent crystal, colorful optically active mica sheets, and a polarimetry demo that reveals when structures are under stress. A great value for so much physics fun!

Sometimes Austine's work can be found on eBay:

From eBay: BUY NOW Polage by Austine

Here is a very nice discussion about polarization that pertains to Polage: Experiments With Polarized Light by Donald E. Simanek



Microscope Photopolymer Hologram

Microscope Hologram: This photopolymer hologram is so realistic one can look through the eyepiece! 🔬Using a halogen bulb as a point light source the microscope in this vintage 1980s reflective hologram pops from the page with stunning detail- and with the eye positioned just right one can see the magnified image of a small insect. Unlike photographs, holograms are recordings of the interference pattern of light waves. This interference pattern can encode moving 3D images which are revealed by illumination by a point source of light and viewing from an appropriate angle. My favorite hologram in my collection, and it looks even more stunning in person! ➡️ Follow the link in my profile for info on where to buy this and many of the amazing devices featured here on @physicsfun #physics #physicstoy #hologram #holographic #interference #optics #photopolymer #photopolymerhologram #microscope #laser #science #scienceisawesome #throwback

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This vintage hologram is currently available on eBay in limited quantities:

From eBay: BUY NOW Microscope Hologram



Tiny Tippie-Top

Available from this shop in Germany:


From experimentis-shop.de: BUY NOW Tiny Tippie-Top

Educational Innovations has reasonably priced, regular sized, wood tippe-tops in their shop:


From Educational Innovations: BUY NOW Tippe-Tops
From Amazon: BUY NOW Tippe-Tops



Paperclip Magnetic Top

Paperclip Magnetic Top: the magnetic tipped top attaches to the perimeter of the paperclip- but since the top has much more mass, the paperclip is put into curious motion due to Newton's 3rd law and the top's rotational inertia. This transparent version allows full view of the moving clip. Patented in 1946 under the name Hoy-Poy Top, this antique kinetic art toy made it into my collection as a gift from the folks at @shirepostmint- thanks! ➡️ Follow the link in my profile for info on where to get tops like this one and other amazing items featured here on @physicsfun #top #spinningtop #vintagetoy #newtons3rdlaw #physics #physicstoy #angularmomentum #relativemotion #magneticfield #magnetic #kineticart #science #centerofmass #magnetictop #scienceisawesome

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These tops will work with a paperclip too:

From Amazon: BUY NOW Magnetic Tipped Top

From Amazon: BUY NOW Magnetic Tipped Top



Vintage Eames era Kinetic Art

Vintage Kinetic Art: Eames era kinetic sculpture seemingly defies gravity as it glides in a graceful circle. The gold plastic sphere plus wire structure is designed such that its center of mass is few centimeters below the point of contact with its base. When the sculpture is tipped or spun, the center of mass swings under the pivot point in this stable equilibrium condition- no magnets needed to create this physics magic. ➡️ Follow the link in my profile for info on where to get many of the amazing items featured here on @physicsfun #kineticart #centerofmass #lowcenterofmass #balancetoy #physicstoy #physicsart #physics #stableequilibrium #equilibrium #oscillations #physicalpendulum #pendulum #torque #restoringforce #desktoy #science #scienceisawesome #newtonssecondlaw #centerofgravity

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Fun balance toy sculptures are available on Amazon:

From Amazon: BUY NOW Balance Sculpture Toys

Check out Kyle's Kinetics (video and links below!) for a wide range of beautifully crafted balance art.



Surf's Up!

Surf's Up!: Another gravity defying creation by Kyle Auga @kyles_kinetics. This well-balanced stainless steel surfer will carve waves in the air for over 15 minutes on one push! The surfer has the curious motion of a 3D physical pendulum- a complex motion which can be broken down into oscillations along two dimensions and rotation about the point of contact. The stick figure plus counterweights and bar structure is designed such that its center of mass is few centimeters below the contact point when at rest. When the sculpture is tipped the center of mass swings under the pivot point in this stable equilibrium condition- no magnets needed to create this physics magic. ➡️ Follow the link in my profile for info on where to get Kyle's kinetic art and other amazing items featured here on @physicsfun #kineticart #KylesKinetics #centerofmass #lowcenterofmass #balancetoy #physicstoy #physicsart #physics #stableequilibrium #equilibrium #oscillations #physicalpendulum #pendulum #torque #restoringforce #desktoy #science #scienceisawesome #newtonssecondlaw #centerofgravity

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Kyle Auga creates incredible kinetic sculptures- all of them use physics to showcase the unexpected nature of nature.

Check out Kyle's art here:
From Etsy: BUY NOW Kyle's Kinetics
and from Kyles on-line store: BUY NOW kyleskinetics.com



Swirl Around Top

Available on eBay (2 current to this post)

From eBay: BUY NOW Vintage Swirl Around Top
Fun and inexpensive magnetic tipped tops:

From Amazon: BUY NOW Magnetic-Tipped Tops
From eBay: BUY NOW Magnetic-Tipped Top



The Helicone

Get one here:

From Amazon: BUY NOW Helicone Interactive Kinetic



Exothermic Crystallization Heat Pack

Exothermic Crystallization Heat Pack: real-time instant crystallization of a supercooled solution. Solid sodium acetate melts at 137F (58C), but it will stay in liquid form as it cools to room temperature creating a supersaturated and supercooled state- the solution stays in the liquid form until a seed crystal, provided by clicking the metal disk, initiates the solidification. The resulting white crystal is actually quite hot; solid states have lower energy than liquid states and thus the difference in energy is given up as heat that raises the temperature back up to the melting temp, and you can see in the few seconds of the video that the temperature rises from 26C to 34C. This pack is reusable many times- just boil the pack until all the crystal is melted to reset. ➡️ Follow the link in my profile for info on where to get this and other amazing items featured here on @physicsfun #thermodynamics #physics #chemistry #reaction #latentheat #physicstoy #crystal #supersaturated #supercooled #exothermic #heat #meltingpoint #sodiumacetate #seedcrystal #heatpack #science #scienceisawesome

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Available in many sizes and colors:


From Educational Innovations: BUY NOW Click Activated Resuable Heat Pack
From Amazon: BUY NOW Click Activated Reusable Heat Pack



Hollow Mask Dragon Illusion

These vintage items are often found on eBay (currently 3 available as of this post):

From eBay: BUY NOW Hollow Mask Illusion Lamp
Also available: Einstein!

From Amazon: BUY NOW Einstein Illusion

Wikipedia has the details on the Hollow Mask Illusion



Daruma Otoshi

Available here:

From Amazon: BUY NOW Daruma Otoshi Toy



50|50 Cube

50|50 Cube: custom 1 Newton SI unit version. A handheld study in material density contrast- the Kickstarter campaign is almost complete!- follow the link in my profile for details. This precision machined block is comprised of equal 101.97g masses (each block weighing exactly 1N on Earth) of the metals tungsten (W) and magnesium (Mg)- however the volume of magnesium is 11 times that of the very dense tungsten! One must hold and manipulate this simple sculpture for greatest impact. W: 19.25g/cm3 Mg: 1.74g/cm3 ➡️ Follow the link in my profile for info on where to buy this and other amazing items featured here on @physicsfun #physics #physicstoy #density #materialscience #tungsten #balancescale #magnesium #science #scienceisawesome

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Still time to order!

From KickStarter: ORDER NOW 50|50 Cube


Magnetic Levitation in 1D

Get one from these fine sources:


From Educational Innovations: BUY NOW Floating Ring Magnet Set
From Amazon: BUY NOW Floating Ring Magnet Set



Tea Candle Steam Engine

Get one from these fine sources:


From Educational Innovations: BUY NOW Tea Candle Steam Engine
From Amazon: BUY NOW Tea Candle Steam Engine


The Alchemist: Bismuth Diamagnetic Levitation Sculpture

The Alchemist: cast from diamagnetic Bismuth, a neodymium cube magnet levitates trapped between the hands of the ancient scholar. Diamagnetic substances only have magnetic fields of their own when placed in an external magnetic field from another source- here the cube shaped magnet supplies the field. Diamagnetic fields are pretty weak though so a cylindrical neodymium magnet hangs above the figure and is adjusted to help lift the cube magnet against gravity. Trapped in equilibrium by these magnetic fields, the slightest air currents can send the cube magnet dancing. Although alchemists never succeeded in transmuting lead to gold, in 1981 physicists used the particle accelerator at Berkeley to shoot Carbon nuclei at thin foils of Bismuth- the resulting collisions did produced a tiny amount of Gold atoms! So the element Bismuth, with modern nuclear physics, finally accomplished the aspirations of the alchemists. 🌟Another amazing creation by Ernie McElhannon. ➡️ Follow the link in my profile for info on where to get this sculpture and other amazing items featured here on @physicsfun #diamagnetism #physics #physicstoy #neodymium #magneticfield #magnetism #levitation #maglev #science #bismuth #alchemy #alchemist #LBNL #GlennSeaborg #pyrolyticgraphite #scienceisawesome @element83onetsy

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See more of Ernie's amazing creations here in his Etsy shop Element83

Special for @physicsfun followers! Save 15% with discount code: PHYSICSFUN
From Etsy: BUY NOW Magnetic Levitation Sculptures

Circa 1981, Physicists transmute Bismuth to Gold: Particle accelerators make possible the ancient alchemist’s dream—but at a steep cost



Magnetic Sand Hourglass

Get one from these fine sources:


From Educational Innovations: BUY NOW Magnetic Sand Timer
From Amazon: BUY NOW Magnetic Hourglass



Scale Model Saturn with Ring System and Earth

Scale Saturn with Ring System and Earth: 3D printed accurate scale model of the Earth (diameter = 0.80 cm) and Saturn (diameter = 7.6 cm). The ring system is color printed on transparency film- note that the inner ring edge to the outermost ring measures 73000 kilometers and could fit almost 7 Earths side by side. The rings around the actual planet are very thin though, about 1 kilometer thick, so the transparency film is 250 times too thick to be to scale, and even just the thin 0.010 mm ink layer on the film is 20 times thicker that the actual rings would be at this scale! Made by artist/maker Jay Fisher using images from NASA. ➡️ Follow the link in my profile to get your own solar system and other amazing items featured here on @physicsfun #Saturn #scale #scalemodel #solarsystem #physics #physicstoy #scienceisawesome #science #astronomy #astrophysics #jpl #nasa #ringsofsaturn #3dprinting #celestial #celestialrocks #earth

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Made by Jay Fisher and available here!

From Shapeways: BUY NOW Saturn

Or buy the Solar System!

From Shapeways: BUY NOW Scale Model Solar System



Scale Model Jupiter and Earth

Made by Jay Fisher and available here!

From Shapeways: BUY NOW Jupiter

Or buy the Solar System!

From Shapeways: BUY NOW Scale Model Solar System



Hand Boiler

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From Educational Innovations: BUY NOW Hand Boiler
From Amazon: BUY NOW Hand Boilers



MaBoRun Mini III

Get a MaBoRun here:

From Amazon: BUY NOW MaBoRun Mini Marble Run


Shadow Stereographic Projection

Shadow Stereographic Projection: 3D printed sculptures that cast geometric shadows. When illuminated by a point source of light (placed at the top pole of the sphere) the shadow cast by the rays of light represent a one to one mapping of the points on the sphere to points on the plane- creating a square grid, and a honeycomb of regular hexagons. Stereographic projection is often used in representing the geography of the globe of our planet on to a flat map. Mathematical art by Henry Segerman. ➡ Follow the link in my profile for info on where to get these and many more of the amazing items featured here on @physicsfun #physics #physicstoy #physicsfun #math #mathtoy #mathstoy #mathematicalart #shadow #3dprinting #stereographicprojection #science #grid #honeycomb #scienceisawesome

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These mathematical art objects are created by Henry Segerman and available here:

From Shapeways: BUY NOW Stereographic Square Grid
From Shapeways: BUY NOW Stereographic Hex Grid


Wikipedia has a nice introduction to the math and applications of stereographic projection.



Iron Filings in Silicone Oil Suspension

Iron Filings in Silicone Oil Suspension: visualizing the invisible- the magnetic field lines around a horseshoe magnet. In the presence of a magnetic field, ferromagnetic materials (such as iron) temporarily become magnets. Here the iron filings become dipole magnets and link up and align like tiny compass needles to follow and reveal the magnetic field lines associated with the permanent magnet underneath. Viscous silicone oil temporarily keeps the iron particles suspended yet allows for rotation and repositioning under the influence of the magnetic field. ➡️ Follow the link in my profile for info on where to obtain this device and other amazing items featured here on @physicsfun #physics #magnetic #magnetism #magneticfield #physicstoy #dipole #dipolefield #demonstration #silicone #physicsdemo #horseshoemagnet #electromagnetism #science #scienceisawesome

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Get the set here:

From Amazon: BUY NOW Magnetic Field Viewer



Aqua Drop Puzzle

Three models/colors to choose from:

From Amazon: BUY NOW Aqua Drop Puzzles




Click here for more:
Physics Toys,

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