Interesting Contents Archive

In 1924, an elaborate tunnel was accidentally found under a street in Washington, D.C. Despite theories that it was a lair of bootleggers or ‘Teuton war spies’, the tunnel was dug by the Smithsonian entomologist Harrison G. Dyar, who just liked to dig tunnels in his spare time. https://t.co/oaJKkoowL8

A LEGO model was turned into a real machine for the first time ever. 🤓 🎥 LEGO Technic / Facebook & @VolvoCEGlobal #engineering https://t.co/katUe32Ihb

NASA said the X-59 finally "resembles an actual aircraft." 🛫 #engineering https://t.co/lYAJbZbTTg

Regional British synonyms for the word ‘icicle’ include ‘ickle’, ‘icelick’, ‘ice-dirk’, ‘ice-bug’, ‘ice-candle’, ‘shockle’, ‘tankle’, ‘clinker-bell’, and ‘aqua-bob’.

The mineral pyrite, also known as fool’s gold, is the most abundant sulfide mineral. The mineral’s metallic luster and pale brass-yellow hue give it a superficial resemblance to gold. Find out more at https://t.co/LlHJfw7DJV 🚀 #Engineering https://t.co/gark16YGg3

Looking for Christmas presents? 🎁 Look no further! 📕 Our new book Funny You Should Ask Again: More of Your Questions Answered by the QI Elves is available to buy now in hardback, e-book and audiobook! Get yours at https://t.co/rVOUZlUNu0 https://t.co/xsnHOgiG2I

And it only consumes about the same energy of an iPhone. 🤖 #engineering https://t.co/FvMTh6bCuP

But it will only stick around for 300 years or so. 🌑 #engineering https://t.co/FoPSQlF80l

Some English Catholics believed the brown rat came to the country on the same ship as George I, the first Hanover king of England, and therefore called it the ‘Hanoverian’ rat.

This bridge was 3D printed in just 6 months! 🌉 #engineering https://t.co/k9eruP8uJ3

Powered by no less than six massive turbofan engines, the Antonov An-225 “Mriya” is the world’s biggest cargo plane that is currently in operation. A serial record-breaker, the aircraft is very easy on the eye too.  Discover more at https://t.co/wzZu04NIO6 🚀 #Engineering https://t.co/wPgzQarq6y

Great white sharks are colour-blind and attracted to certain shapes. That’s why hungry sharks sometimes attack people: when swimming or paddling surfboards, we look like sea lions or seals to them. (Study: https://t.co/xicHnJzE7f; 📷: Elias Levy, CCA 2.0) https://t.co/mWfTq8pJA3

Dark matter could be producing more of itself. 🌌 #engineering https://t.co/K0M4eBaYIt

Could Satoshi actually be more than a single person? 💰 #engineering https://t.co/hbUTY9obWq

U.S. Army howitzers shot down a virtual cruise missile in a 'sci-fi awesome' test of AI upgrades. 💣 #engineering https://t.co/UoiPxNdQSt