This 15-minute explainer video might be the only video you'll need to learn as much about switches as you'll ever care to find out.
Image: YouTube/Technology Connections
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1:40 pm Tue
Aug 13, 2019
What is a switch, how does it work, and why are they usually clicky?
Video - how fingerprint recognition works
In this episode of computerphile, Dr. Isaac Triguero, a lecturer in data science at the University of Nottingham, gives a high-level overview of the kind of fingerprint feature-matching algorithm used in mobile phones. Image: YouTube
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How aerogel is made and why it's so cool
Veritasium visited Dr. Stephen Steiner at Aerogel Technologies in Massachusetts to learn about the wonders of silica aerogel, a solid that is only twice as dense as air. My sister gave me a small chunk of aerogel about 10 years ago and it’s one of my favorite possessions.
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Owls have asymmetrically placed ears to track prey
I have 4 or 5 beautiful great horned owls in my backyard. I see them every day. This short National Geographic video explains why owls are such great hunters: huge light-sensitive eyes, fringed wings that allow them to fly silently, and asymmetrically placed ears that picked up sounds a fraction of a second apart to […]
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Create your robot army with these Arduino and Raspberry Pi kits
It’s a great time to be a maker. 3D printers are on store shelves for anyone to buy, and coder kits like Arduino and Raspberry Pi are letting kids as young as 9 or 10 dive into the Internet of Things. Here are a few examples of our favorite tech toys, all priced low enough […]
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Take your music production to the next level with this synth & sound bundle
Want to make a hit? The right software is out there for anyone, but any music producer will tell you that finding the right sound can still take time and talent. Still, the right tools are a great shortcut, which makes this Synth & Sound Pack Bundle absolutely priceless. And now that it’s on sale […]
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Save over 60% on these PowerBeats Pro alternatives
Let’s face it: People at the gym aren’t bragging about their headphones. If they were that great, they’d be listening to them instead of talking about them. So while we’re sure those new PowerBeats Pro earbuds are something special, why would you shell out $250 for a tiny pair of speakers when comparable ones are […]
