Topic: copper

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Here’s Where the Juice That Powers Batteries Comes From

Atomic number 3 on the periodic table, lithium is the 'li' in the li-ion batteries that are inside of our smartphones, laptops, digital cameras, and electric vehicles. Above, Alejandro Bucher gives Bloomberg's Ashlee ...

Metal crystals forming in time lapse

From Italy-based chemistry student Emanuele Fornasier, this is Crystal Birth, one of the many chem vids he's created as a video and photo enthusiast. He writes: This video is the beginning of a long term chemistry...

How to make simple homopolar motor ‘race cars’

Lay out a 'race track' of tinfoil, attach two round neodymium magnets to the ends of an AA battery x2 (or more) -- the polarity of the magnets matters, so experiment to see how your vehicle behaves (or doesn't) -- the...

How do batteries work?

If you've ever used a flashlight, or changed the channel with a remote control, if you've ever recharged your electric car, or if you're reading this on a smart device, then you know how useful batteries can be. But h...

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...

To the Scientists of the Future: Materials science with EUPHRATES

Created by EUPHRATES and Masahiko Sato for Japan's National Institute for Material Science (NIMS), these three "To the Scientists of the Future" short films are a mesmerizing combination of materials research innovati...

Dropping a neodymium magnet through a thick copper pipe

There are quite a few neodymium magnets falling through copper pipes on the internet, but we can still understand why this demonstration video is making the rounds: it’s just so cool lo...

Walking mechanical woman and man

Brass, aluminum, stainless steel, and copper turn into more than just materials under the care and engineering of kinetic artist Mark Galt, who made a walking mechanical woman, above, and man, below: There are ...

How is an Etch A Sketch made?

How is an Etch A Sketch made? MAKE: Inventions host Steve Hoefer gives a bit of historical background on the classic toy, and then, with the original patent and some trial and error, tries t...

Neodymium magnet + copper pipe = magnetic damping

Neodymium magnet + copper pipe = magnetic damping: When a magnetic field moves through a conductor a current called an Eddy current is induced in the conductor due to the magnetic field’s movement. The flo...