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Topic: circuits
A lemon-powered supercar and making the world’s largest lemon battery
Can you power an electric supercar with lemon-power? It depends on the lemon-power. In the video above, science YouTuber and former NASA JPL engineer Mark Rober attempts to fill a 48-kilowatt-hour battery with electri...
The surprising interactions between copper and neodymium magnets
Experiments with super strong neodymium magnets and copper! These surprising demonstrations of magnetic damping go beyond the magnet through a copper tube demo that we've previously seen. Watch as Night Hawk in Light ...
How to make a Pumpkin Piano (using a Makey Makey)
How do you make a piano out of pumpkins? In this autumnal video, Maddie Moate and Greg Foot create a pumpkin piano with the help of a Makey Makey plug, clip, and play invention kit. We also get a quick tutorial about ...
How do solar panels work?
The Earth intercepts a lot of solar power: 173,000 terawatts. That’s 10,000 times more power than the planet’s population uses. So is it possible that one day the world could be completely reliant on solar energy? ...
I is for IC – Circuit Playground
'IC' stands for integrated circuit, and in I is for IC from Circuit Playground, Adabot learns that there's a lot going on inside of them and without them, our electronics would still be huge. From Explain That Stuff: ...
DuoSkin: Functional, stylish on-skin user interfaces
Wear your game controller on your arm in the future and much more. From MIT Media Lab in collaboration with Microsoft Research, PhD student Cindy Hsin-Liu Kao introduces DuoSkin: Functional, stylish on-skin user inter...
Plastic bottle water wheel power generator experiment
Power plant operator and YouTuber 'Thomas Kim' can charge his iPhone using a stream and a DIY hydro-electric generator made from plastic bottles, some disposable plates, a 3 phase stepping motor, and a rectifier circu...
The AgIC marker draws circuits with conductive ink
It's easy to doodle a circuit! Made with silver conductive nanoparticles, the ink in the AgIC Circuit Marker can conduct electricity, as shown in this pop-up book inspired Japanese commercial by Kandenko. Watch the LE...
Fundamentals of Neuroscience Presents: Small Circuits
Small Circuits! This is one of the many wonderfully-presented lessons from Harvard's Fundamentals of Neuroscience free and open online course (or MOOC). While the video's terminology can be technical at times, the sim...
How to Make the World’s Simplest Electric Toy Train
How to make the World's Simplest Electric Toy Train from the Amazing Science YouTube channel, a super delightful science experiment that will wow kids, friends, family, science classes... pretty much everyone on the p...
Electromagnetic Induction – Science Demo
Generate your own electricity with some wire, a magnetic field, and the relative movement between the two of them: Alom Shaha explains electromagnetic induction using this hand-powered – or per...
Electric Dough Playdate – DIY Experiment
From PBS’ Adventures in Learning, Jennifer Cooper hosts an Electric Dough playdate to make and test circuits. For this project, developed by engineering educator AnnMarie Thomas, you’...
A is for Ampere – Circuit Playground
This made-for-kids video, Circuit Playground “A is for Ampere” – Episode 1, isn’t your everyday made-for-kids video. DIY electronics shop Adafruit, led by MIT engineer and Adafruit Founder Limor Fried (in the ...
j.viewz plays music with fruit, vegetables, & MaKey MaKey
Fruits and veggies + the Makey Makey Invention Kit = serious DIY audio fun. J.Viewz, a songwriter, producer, and artist in Brooklyn, demonstrates how a MaKey MaKey turns anything that can condu...
How to build a light bulb – Sick Science!
Yes, you can build your own lightbulb! This is what you’ll need: Eight D-sized batteries, Mason jar or other clear glass, Electrical tape, Pie pan, Scissors, Toilet paper tube, Mechanical pencil refills, Small ...