Fun with fidget spinners and super strong magnets!

By: iBuyNewStuff

Originally published on May 2, 2017

In this video I muck around with some cool fidget spinners and super strong (but small) neodymium magnets! I show off the fidget spinners, and their variety of colours. You can use the magnets to build your own custom big fidget spinner.

Fidget Spinner:
Premium Fidget Spinner:
Tungsten weight block:
(Affiliate links)

Watch this space, because soon i’ll be releasing a video about how to measure the speed of a fidget spinner!

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Oscilloscope Music – Pictures from Sound


By: Techmoan

Originally published on Nov 23, 2016

An oscilloscope can be made to display shapes by playing sounds into it. Making music from these sounds while simultaneously drawing images with those sounds takes things to another level. CLICK SHOW MORE
In the video I fix up and put an old oscilloscope to a new use, and show how you can watch these audio-visual demos even if you don’t have a oscilloscope by using a computer.

If you want to skip the preamble and repair section and jump straight to the demo – it starts at 05:00

Useful Links
Jerobeam Fenderson’s Oscilloscope Music

Jerobeam Fenderson’s Youtube Page…

If you have any technical queries – the FAQs here should answer them…

Oscilloscope Emulator for Windows Mac & Linux

Reddit Oscilloscope Music Page…

Here’s a link to a Free Oscilloscope Demo called Youscope…

If you like seeing oscilloscopes put to unconventional uses – perhaps you’ll be interested to see Quake played on one.

You may also be interested to know that the ‘first video game’ “Tennis for Two” was played on a scope display in 1958…

If you have an old X/Y capable oscilloscope you’ll probably need a pair of BNC male to RCA female converters like these if you want to connect audio devices to it.

This channel can be supported through Patreon
Patrons usually have early access to videos


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Holding and explosion at 20,000 fps – Smarter Every Day 156


By: SmarterEveryDay

Published on Jun 22, 2016

I always thought firing from the center was the best way to do it. Turns out I’m probably wrong.
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A Special thanks to Josh Lake at Pomfret school for introducing me to the concept of a transparent potato gun. It was his idea that spawned this video.

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Ambiance and musicy things by: Gordon McGladdery did the outro music the video.
The thought is it my efforts making videos will help educate the world as a whole, and one day generate enough revenue to pay for my kids college education. Until then if you appreciate what you’ve learned in this video and the effort that went in to it, please SHARE THE VIDEO!

If you REALLY liked it, feel free to pitch a few dollars Smarter Every Day by becoming a Patron.

Warm Regards,


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World’s Easiest DIY Electric Train


By: Physics Girl

Originally published on Jun 7, 2016

How do you take copper wire, a battery and magnets and make electric train? With science! This super simple DIY physics demo uses electromagnetic induction to propel a train made of magnets and batteries.

Inspiring video:…
Ferrofluid and glowsticks:…
7 surface tension experiments:…

Creator: Dianna Cowern
Animator: Kyle Norby

Thanks to Dan Walsh and Kyle Kitzmiller.

Music: APM and YouTube

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Floppy music DUO – Imperial march. ( Star Wars )


By: Paweł Zadrożniak

Originally Uploaded on Sep 26, 2011

Here’s what polish AGH University of Science and Technology do in their free time. My another useless device – Imperial March played by two floppy disk drives.
Post in English:…
Po polsku:…
Read the note about the next video:…

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Kano: A computer anyone can make



How to make a computer in 107 Seconds

Kano is the first computer kit for everybody.

Make, play, code, and level yourself up.

Sign up:


Link to Kano’s Kickstarter page>

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