STEM

Interesting inventions from the past

A racetrack on the rooftop of Fiat’s Lingotto factory in Italy, 1923

Skylab in orbit, with a collapsible sunshade and one solar panel deployed. 1973.

Photos from the surface of Mars by NASA's Perseverance Mars Rover

Assembling the Buran spacecraft; while the American Space shuttle needed a pilot on board, the Buran was traveling with autopilot, cutting-edge for the time, USSR, 1980s.

Applied physics

Arguably the most intelligent photo ever taken: Solvay Conference on quantum mechanics at the Institute International de Physique Solvay, Brussels, Belgium, in 1927. 17 of the 29 attendees were or became Nobel Prize winners.

The Challenger launches, moments before its destruction. Jan. 28, 1986. (Image: AP)

Albert Einstein taking a nap in his yard in Berlin, Germany, 1933.

@engineers_feed Our future is bright

Control devices with your thoughts. No typing. No clicking. Just a comfortable beanie with 70k+ sensors decoding internal speech in real time. Sabi just dropped a WIRED interview with Vinod Khosla on their brain foundation model and next-gen BCI. The future of interfaces is wearable, private, and mind-powered. Mind-blowing. 🧠

Benjamin Bowden showing off his bicycle on September 17, 1946 (Photo by J. A. Hampton).

Interesting fact: It only took 50 grams of gold to coat the huge 25 m2 mirror of the James Webb Space Telescope.

🛞 Pressure indicator caps

🤯

A car teeters at the top of a paternoster parking elevator as a result of a broken bolt in Denver, Colorado. 1970s.

The moon is roughly 390,000km from Earth

Albert Einstein’s papers, pipe, ashtray and other personal belongings on his table -- just as the Nobel Prize-winning physicist left it – taken mere hours after he died, Princeton, N.J., April 18, 1955. (Ralph Morse/Life Pictures/Getty Images)

Rare photographs of war dogs with gas masks, 1915-1970

The only maths that was practical to me in high school

USS Enterprise (CV-6)