3Blue1Brown has a good two-part introduction to error correction codes, which are what make it possible to check the integrity of data and in some cases fix it.
How data error correction works
Duct tape decoded: the fascinating chemistry behind the ultimate fix-all (video)
According to this new YouTube video, duct tape was invented during World War II as a way to quickly repair ammunition boxes in the field. That alone was surprising to… READ THE REST
Does free will violate the laws of physics?
The title of this six-minute video is "Does free will violate the laws of physics?" But it could also be called "Is free will an illusion?" Physicist Sean Carroll says… READ THE REST
Beautiful 3D animation compares sizes of the 80 known moons of Jupiter with Manhattan
Lucky Jupiter has at least 80 moons, ranging in size from 1 km (cute little Valetudo, discovered in 2016) to 5268 km (Ganymede, possibly discovered in 365 BC). This CGI… READ THE REST
Take flight without crashing your first drone
TL;DR: The 4K Dual-Camera Drone is beginner-friendly and just $64.97 (reg. $119) through October 27. It's no big secret that most first-time drone flights end with the user fishing the poor thing out… READ THE REST
Want an easy way to charge your Apple Watch all week? You need this keychain charger!
TL;DR: Give your Apple Watch a juice-up anywhere with this wireless keychain charger that arrives in a 2-pack for only $32.97 (reg. $51) through October 27! Is your Apple Watch constantly giving… READ THE REST
Feast on $200 worth of meals for just $35
TL;DR: This offer gets you a $200 Restaurant.com eGift Card for just $35, which saves you money at thousands of eateries across the U.S. Craving a night out but feel guilty… READ THE REST
