
Translating…
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.
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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Bring the big screen anywhere with this pocket-projector
The weather is settling right into the pocket for an outdoor movie night, so it’s worth spotlighting one of the best – and smallest – projectors around: The Prima 1080p HD Pocket Projector. Even if the performance was sub-par (and it’s not), this gadget would be notable just for how portable and easy it makes […]
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Got stress? These CBD oils bring relief by the drop
There’s no shortage of stories about the benefits of cannabidiol, that benign (and non-psychoactive) cousin of THC. Some have been using it for years to deal with pain, stress, and sleeplessness. And the more people use it, the more discussion there is about how to use it. While there’s no shortage of quality edibles on […]
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Ditch the capsules and get this precision drip coffeemaker for 75% off
Are we done with capsule coffee makers yet? Sure, they’re easy. But they are not so easy on the environment, and it’s debatable whether they actually make a better cup. Luckily, there’s never been a better time to switch back to the good old reliable drip method – especially when drip coffeemakers have quietly been […]