Homopolar Motorcar

Homopolar Motorcar

A homopolar motor is a device that relies on flowing electricity, magnetic fields, and the interaction between the two. It consists of a voltage source, neodymium magnets, and a conductor that allows electricity to flow. And it’s super easy to make yourself! What you’ll need: 1 AA battery 2 neodymium magnets Thick copper wire ————

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How to Supercool Water

How to Supercool Water

Water is usually pretty predictable. At standard pressures it will boil at 100˚C and freeze at 0˚C. However, under special circumstances it might surprise you. Dihydrogen monoxide can become supercooled, dropping below 0˚C while maintaining the liquid phase of matter. Here’s how: Acquire distilled or purified water. Fill an empty bottle with tap water (this

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The Space Between Planets

The Space Between Planets

Have you ever really sat down to think about how much space there is in the universe? It’s pretty inconceivable, but there are some useful tools that can help put things in perspective. You’ve already seen a scale model of our solar system by mass, so here is a model of the space between our

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Electric Motor DIY

Electric Motor DIY

An electric motor is a device used to convert electrical energy to mechanical energy. Electric motors are extremely important in modern-day life. They are used in vacuum cleaners, dishwashers, computer printers, machine tools, cars, subway systems, sewage treatment plants, etc, and you can make your own at home! Here’s how: Materials: Copper wire D battery

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How to: Kinetic Sculpture

How to: Kinetic Sculpture

Kinetic sculptures are moving art pieces, that usually do not have a motor, but alternatively use other forms of energy to propel the movement. Wind, water, or an initial manual push are common types of energy which kinetic sculptures harness. The art piece that we are going to make is going to harness energy given

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DIY Eggshell Geodes

DIY Eggshell Geodes

Geodes, seemingly ordinary rocks hiding pockets of crystals inside, have fascinated amateur geologists for centuries, but did you know you can make your own geodes with just what’s in your kitchen? Materials: Eggs Something to hold the eggs (a piece of the carton works well for this) Water-soluble solid (salt, sugar, baking soda, etc.) Food

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Effortless DIY Electric Train

Effortless DIY Electric Train

The relationship between electricity and magnetism is as old as space and time, but is a complicated one. As light propagates, electricity and magnetism flow in and out of each other, forever connected. This connection can allow for some pretty interesting phenomenons in physics. Due to induction, we can get the “train” to propel forward.

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DIY Polar Opposites

DIY Polar Opposites

Oil and water won’t mix no matter how hard you try. They have different densities and different polarities. But what happens when you mix oil and milk? Milk is an emulsion. It is made of mostly water with lipids throughout. Lipids are organic compounds that are fatty acids or their derivatives and are insoluble in

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DIY Limestone Caves

DIY Limestone Caves

Most stone is made over millions of years, cooked in the core of our planet. That stone then erodes over time due to wind, acids found in rain and groundwater, and other natural weatherings. Chalk is a type of limestone formed by the shells of microscopic marine organisms. The process of erosion can produce beautiful

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Thermochromic Slime Experiment

Thermochromic Slime Experiment

We’ve all experienced a mood ring change color when you put it on your finger. But have you ever seen slime do that? Thermochromism is the property of substances to change color due to a change in temperature. Here is a DIY to make your own thermochromic slime. What you need: ¼ cup white glue

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DIY: Diffusion Science Experiment

DIY: Diffusion Science Experiment

Have you ever stopped to notice the beauty of the swirls of color coming from a tea bag into a hot mug of water? Or had a magnificent smell of freshly baked goods waft its way over to your nose? You were experiencing diffusion. Here is a simple DIY experiment for you to try to

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All About Angular Momentum

All About Angular Momentum

The conservation of linear momentum is easy to see, especially when you play billiards! Collisions or impacts are great examples of the conservation of momentum. But have you ever experienced the conservation of angular momentum? If you are a very talented ice skater, then the answer is probably yes, but for the rest of us

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