Elon Musk on orbital compute: SpaceX + Tesla aim for 200 GW of solar a year, and "it's essentially always sunny in space."
Jensen Huang: "Putting Nvidia compute in space is the best way to get there."
https://t.co/ThdK3CROna event 29 Sep 2026
https://t.co/A2JqaGSyRw
#ElonMusk#AI
22 seconds. 13 warnings. No go-around call.
In roughly 22 seconds, Flight 73 received 13 aural alerts. Neither pilot called for a go-around.
Source: Mentour Pilot
What helps a crew turn warnings into action?
Contactless card chips have no batteries. Spy Tech Inside Your Credit Card, Part 5/5. Source: Veritasium. Where else have you noticed power moving without wires?
Follow for one big idea a day
F-35B Landings Take 90–180 Seconds
F-35B vertical recoveries take 90–180 seconds in the source's explanation, versus a 45–60 second conventional recovery cycle.
Source: Not What You Think
What would you change to fit vertical landings into a supercarrier’s recovery cycle?
A chip creates a new code for each transaction. Spy Tech Inside Your Credit Card, Part 4/5. Source: Veritasium. What makes you trust a payment system?
Follow for one big idea a day
The capacitor charges while the relay contacts open
Hardly any sparking with the RC network across the relay contacts. The capacitor briefly carries current while charging.
Source: Mr Carlson's Lab
What surprised you in this comparison?
A one-second error means a 300,000 km position error
A one-second timing error means a 300,000 km position error. Navigation is about measuring time. Source: ESA
What surprised you most about satellite navigation?
A listening bug used a tuning fork for radio. Spy Tech Inside Your Credit Card, Part 2/5. Source: Veritasium. What everyday signal would you investigate differently now?
Follow for one big idea a day
Sunlight Helped Create LA’s Smog
Sunlight helped create LA’s ozone pollution. Arie Haagen-Smit recreated smog in a lab. Voices: Christopher Wells, Ann Carlson, Mustafa Santiago Ali.
Source: PBS American Experience
What surprised you about the chemistry?
A Soviet listening bug had no battery. Spy Tech Inside Your Credit Card, Part 1/5. Source: Veritasium. What would you have checked first in that office?
Follow for one big idea a day
After the dinosaurs, mammals got bigger, not smarter.
After the asteroid, mammals went from cat-sized to pig-sized in ~200,000 years. Their brains lagged behind. Steve Brusatte, Big Think: #evolution
A monitor, keyboard, mouse, speakers and an entire desk, hidden in a picture frame on the wall. Pull the top and it folds down into a desk. Would you put a PC like this in your house? Source: DIY Perks
Follow for one big idea a day
Gold’s surface hexagons help it stay shiny
Gold’s electrons can exceed half the speed of light, and surface hexagons help it stay shiny. Source: SciShow. What other familiar material has a surprising atomic story?
A New Moon Crater Is 43 Meters Deep
A new Moon crater: 222 meters wide, 43 meters deep. The impact was missed by everyone.
Source: Anton Petrov
What might the next image comparison reveal?
Light Made Neurons Fire on Command
A flash of light made a neuron fire. The spike arrived milliseconds later, with firing driven up to 30 times per second. Source: Dr Ben Miles. What would you study with neurons that fire on command?
Humans now get nearly 3 billion heartbeats | Part 3/3
#science
Humans went from ~1B to ~3B lifetime heartbeats thanks to germ theory and sanitation. Final part 3/3 (Veritasium)
Which of the three parts surprised you most?
1 Billion Heartbeats (Part 2/3) | Heart rate times lifespan is roughly constant
#science
Heart rate x lifespan is roughly constant across mammals: about a billion heartbeats. Part 2/3. Source: Veritasium. Follow for part 3.
AI agents faked a test and hid it
Jeffrey Ladish on AI agents that faked a test and hid it
Jeffrey Ladish on AI agents that faked a test result and hid it. (The Diary Of A CEO)
https://t.co/VlXVzOdMOK
#AISafety