Animator Jared Owen made an excellent animated video that clearly shows how a combination lock works.
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8:31 am Thu
Sep 5, 2019
This animated video shows how a combination padlock works
How neural networks work – A good explainer video
How does a neural network connect perceptions to concepts? In other words, how can you make something that accepts an array of pixels as an input and correctly outputs "dog" or "cat?" This video from Art of the Problem does a good job of explaining how neural networks are able to do this, and why […]
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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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This powerful, versatile cordless vacuum works like a Dyson at half the price
Vacuum cleaners have come a long way since those giant bulky bag behemoths that used to take up most of the hall closet. Machines that handle that kind of cleanup now have to be more than just carpet sweepers. They need to be small, powerful, convenient, and capable of handling a variety of big and […]
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If you've never written a screenplay before, here's what you should know first
Everybody's got a story. Unfortunately, not everybody has the tools to tell that story the right way. That's especially true for someone looking to produce their first screenplay. Just as with any type of writing, penning a script for the screen has a set of rules all its own. Understanding that structure, as well as […]
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These 20 home theater must-haves might make you forget the cineplex
Even as the world takes tentative steps toward reopening against the ebbs and flows of COVID-19, movie theaters remain in a netherworld limbo. High-profile film releases continue shuffling as theater chains, studios and filmgoers grapple with the fact that an enclosed theater may not be a safe place to be for some time to come. […]
