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?
What does a fan do in a vacuum chamber?
In this video of The Action Lab, the Action Man puts a small fan into a vacuum chamber and pours a bunch of little styrofoam beads in it. At atmospheric pressure the beads fly all over the place. As he reduces the pressure inside a vacuum chamber, the beads slow down and eventually stop moving. […]
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Big Clive examines a fake UV disinfection lamp sold on eBay
YouTuber Big Clive bought a “UV disinfection lamp” on eBay. He tested it first by turning it on and aiming it at the back of his hand for a few seconds and then sniffing his hand for “skin damage.” There was no odor, which was a good sign that it’s not really producing UV-C radiation, […]
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Lockdown math: trigonometry fundamentals
YouTuber 3Blue1Brown has started a video series called “lockdown math.” In his latest episode he goes over the fundamentals of trigonometry in a way that is accessible and enjoyable.
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Luminar 4 uses AI to help you turn all your photos into masterpieces
For all their power and capabilities, image editing software isn’t like sitting down to play a video game. You aren’t there to have fun. You’re likely looking to make a few minor tweaks to an image to make it ready to be shared, then you move on with satisfaction in a job well done. If […]
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You can get a Philips Momentum 43-inch LED 4K monitor for about $500
This is truly a golden age for fans of a big ginormous TV screen. Not too long ago, to buy a television over 40 inches usually meant wheeling one of those massive Mitsubishi or Toshiba projection monoliths into your home, consuming a vast portion of any room at a cost of potentially $7,000 to $8,000. […]
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This training package will have you using all of Microsoft Office like a boss
Nearly 30 years after it started its run as the most dominant productivity software ever created, the Microsoft Office suite of programs are now virtually synonymous with personal computing. From its days bundled with Windows to its current life as Office 365 cloud-based apps, there’s no reason to think perennial hits like Word, Excel and […]
