Topic: experiments

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How to make an Amazing 9 Layer Density Tower

Water is less dense than honey. Rubbing alcohol is less dense than water. Poured carefully on top of each other, from heaviest to lightest, they can create distinct layers. Add more liquids of different densities, suc...

Surface tension and The Cheerios Effect

Ever notice how cereal clumps up in your bowl, or how cereal sticks to the edges of the bowl? Bubbles in beverages do the same thing. You've probably seen this surface tension and buoyancy at work, but did you know th...

A fidget spinner in space

Fidget spinners are everywhere... including the International Space Station. Watch as NASA astronauts Randy Bresnik and Mark T. Vande Hei, ESA astronaut Paolo Nespoli, and NASA astronaut in training Joseph M. Acaba sp...

Simplified blower and furnace experiments – Primitive Technology

In an attempt to streamline his previous blower and furnace design, and to make it easier to replicate, Primitive Technology builds a simplified blower from sticks, rope and mud. He then tests it with three charcoal-f...

How To Make Fake Poo, a mini psychology experiment

Shock your children by taking a taste of a repulsive poo! Then, by following our recipe, explore what it is that makes us feel emotions like disgust. Through this activity, Dwain and Sahara learn how our emotions a...

How to make a Hollow Mask Illusion

How do we perceive faces? With some balloons, newspaper, some paste for paper mâché, and paints, you can create a hollow mask that appears to follow you as you move back and forth around the room. Rachel and her child...

The scientist that grows ‘identical twin snowflakes’

Snow crystals form when humid air is cooled to the point that molecules of water vapor start sticking to each other. In the clouds, crystals usually start forming around a tiny microscopic dust particle, but if the wa...

Calculating Pi (π) with Darts

Can you calculate Pi (π) by throwing darts at a square and circle target as randomly as possible? Physics Girl's Dianna Cowern and Veritasium's Derek Muller attempt the challenge, and when "randomly" doesn't happen, t...

Down to Earth: 28 pairs of shoes by artist Anna Vasof

From architect and media artist Anna Vasof, Down to Earth (2014) is a short video about 28 pairs of specially-made shoes that feature stamps, brooms, books, umbrellas, drums, and more. The objects change the function ...

What can you do with a large neodymium magnet?

Neodymium magnets are really strong. The larger they get, the more careful you need to be to avoid being pinched or struck from the force of their attraction. This video from Magnetic Games cautiously explores what ca...

The Dodder Vine Sniffs Out Its Prey

From PBS Nature, watch as researchers Consuelo M. De Moraes and Mark Mesker conduct a series of experiments to find out if the dodder vine (Cuscuta pentagona), a parasitic plant that depends on a host plant to provide...

The synchronization of 100 metronomes

From the Ikeguchi Laboratory in their pursuit of studying nonlinear chaotic dynamics, watch as 100 metronomes synchronize to the exact same timing. The key is the surface that the metronomes are on: a hanging platform...

A home made string shooter & slow moving waves in rope

This string shooter uses two wheels on motors to push a string forward while a tube guides the string back through the wheels, creating a constant loop that appears to defy gravity and demonstrates wave phenomena. ...

Do M&Ms dissolve in water?

Yes, yes they do. From the Beauty of Science team led by Yan Liang, enjoy this 4K time lapse video of m&m's artificial colors dissolving in petri dishes of water. Watch more from Beauty of Science.

Cannon cloud collisions for Art & Inactivism

Two clouds rush toward each other and collide before dissipating in this installation by Mitchell F. Chan. Titled Something Something National Conversation (In 2 Characters Or Less), the crashing forms of water vapor ...

Skittles candy dissolves into rainbows

Science + candy = rainbows! Check out this classic and colorful trick as the artificial candy colors dissolve into hot water-fueled PGYOR stripes. YouTuber Dexter See tried it with awesome results. Here's how: Si...

Building Art Machines with LEGO Technic pieces

From The Tinkering Studio located at San Francisco's Exploratorium, enjoy these pattern making art machines built with LEGO Technic beams, gears, and pins. The Tinkering team wrote up a quick art machines experiment g...

Pattern distortions seen through a glass of water

Try this classic trick at home with different shaped glasses (which shapes the water within them) and a few patterned backgrounds. As you look through the glass, you'll see the background pattern shift. Why? As the li...

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