Friday, May 10, 2024

Mystery Box

How Do 3D Glasses Work?

https://youtu.be/M2GKdn2vHaU Stereoscopy—the illusion of depth created by showing a separate image to each eye—is at least as old as photography itself. In the last few years, however, stereoscopic 3D movies have come back in a big way. Theaters show you...

Why Do So Many Countries End in “-stan”?

https://youtu.be/Kg8BGzW72Zs Who put the bomp in the bomp bah bomp bah bomp? Who put the -stan in Afghanistan? I don’t know about the former, but we can thank the Proto-Indo-Europeans for the latter. These folks spoke the Proto-Indo-European language (PIE), a prehistoric Eurasian language...

Why Does Your Stomach Growl?

https://youtu.be/J2lUTA6d2YU The growlings in your gut are known as borborygmi among people who like to use technical terms, a cool little word we picked up from the Greek borboryzein ("to rumble"). Borborygmi happen because your stomach is a real workhorse, constantly churning, moving and contracting...

How Do Touchscreens Work?

https://youtu.be/A4q04YcZqBE It depends on the device and the type of touchscreen you’re using. There are two different kinds used in most consumer electronics: Resistive touchscreens - which are used on some Samsung, HTC and LG phones, and are typical of ATMs, supermarket checkout...

Why Can’t You Remember Being a Baby?

https://youtu.be/GxfC_Pa1FC8 There are probably blackout periods you can’t remember at all from your childhood, and the memories you do have are likely hazy and garbled. Although pretty much everyone experiences this phenomenon known as childhood amnesia, its causes are still...

What’s the Origin of “Let the Cat out of the Bag”?

https://youtu.be/zEmgNmJ9IEE The first documented use of the phrase in the sense of “revealing a secret" comes from a book review in a 1760 issue of The London Magazine, wherein the reviewer laments that, "We could have wished that the author had...

Do You Own The Space Above Your House?

https://youtu.be/_31USGFwaE4 Cuius est solum, eius est usque ad coelum et ad inferos means "whoever owns the soil, it is theirs up to Heaven and down to Hell." This property right principle asserts that a person who owns a particular piece of...

How Do Baby Birds Breathe Inside Their Eggs?

https://youtu.be/Wk1WSdYgFfk You might not realize it while you’re frying them sunny side up on a Sunday morning, but chicken eggs (and those of other birds, and reptiles) are some pretty sophisticated pieces of packaging. Hard-shelled bird eggs contain albumen, or “egg...

Why Does Everything Look Green Through Night Vision Goggles?

https://youtu.be/RYeQ1cMd564 The characteristic green tint is by design, for a few reasons. First, device makers have experimented with a few different colors and found that the different shades that make up the monochrome night vision image are most accurately perceived...

What’s the Difference Between ( ), [ ], { } and ?

https://youtu.be/3Sf14MYNGs0 ( ) Parentheses (the single one is called a parenthesis), also known as curved brackets, have plenty of uses in everyday written language. Their most common use, as I’ve demonstrated already, is segregating subordinate material or asides. Usually, this is...
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