How to Make Everything is making a series of videos about currency. For his first video, he briefly talks about the history of money, then at 4:40 he goes out with a gold panning enthusiast to try his hand at extracting gold in the simplest way possible.
Hundreds of millions of years ago, the earliest ancestors of cephalopods like squids rose up from the ocean floor, donning a hard shell. PBS Eons explores the evolutionary adaptations that caused the squid to shed its protective outer covering to improve its mobility.
Real Life Lore simplifies the reasons why time travel to the past is impossible, or rather philosophically unsound. Traveling to the past most likely means destroying your own present, which is either impossible or makes your journey impossible in the first place.
Kurzgesagt dusts off their 2013 video The History & Future of Everything and gives it a shiny coat of paint, with updated animations, and references to events of the last 5 years. Every time we hear about the Middle Ages, we feel much better about today’s problems.
Business Casual simplifies one of the most infamous tales in Silicon Valley. In the early ’70s, Xerox came up with a user-friendly way to interact with computers. But now Apple and Microsoft are the kings of PCs. Did Steve Jobs and Bill Gates really steal their idea?
Engineer Mark Rober and teacher Al “Doc Fizzix” Balmer explain the physics of these primitive race cars that get their power solely from the energy stored in a mousetrap’s spring. Along the way, you’ll learn about the principles of mechanical advantage, levers, and wheels.
Nerdwriter reminds us to be vigilant and read text before clicking links when we’re browsing online or playing games. He points us to “dark” patterns – bad user experiences that are designed to manipulate an outcome. For more, there’s a helpful awareness website.
This super-fine steel wool reminds us of Donald Trump’s hair. But these skinny metal strands are most interesting when they have their electrons excited by a microwave oven. Steve Mould explains why it behaves so spectactularly. The 9-volt battery trick is pretty neat too.
For their latest episode of Scatterbrained, Mental Floss offers up a number of interesting tidbits about shopping centers, which were once the epicenter of American shopping but have dramatically changed in the years since the advent of big box and online commerce.
In 1992, 12 containers fell off of a ship in the Pacific Ocean. Among the lost cargo – 29,000 rubber duckies. But those ducks would serve a greater purpose, helping oceanographers map currents based on where they washed ashore. Half as Interesting explains.
Kurzgesagt explains an economic idea called egoistic altriusm. It argues that it’s in an individual’s best interest for those around him to be well off. You’ll have more people capable of solving your problems, and more people able to afford the solutions you offer.
Wired enlisted the help of a general surgery student to look at emergency room and operating room scenes in movies and TV shows. She points out what’s generally portrayed accurately, what would never work in real life, and which terms actually mean something.
(PG-13: Language) The Awesomer’s writing team has long since said farewell to their twenties, but we definitely could have used some of the words from exurb1a’s reference guide, which includes terms which could come in handy to describe the trauma of that youthful decade.