I saw this on Hack a Day, but I am sure it has been posted in other places also (seems like something that would be on Swans on Tea). Check it out. Amazing New Water-Powered Jet Pack – Watch more free videos Some pretty cool stuff. I am pondering the questions to be answered right now.
Rhett Allain is an associate professor of physics at Southeastern Louisiana University. He enjoys teaching and talking about physics. Sometimes he takes things apart and can't put them back together. ... Read More
The ‘Lonely Runner’ Problem Only Appears Simple
Take a group of runners circling a track at unique, constant paces. Answering the question of how many will always end up running alone, no matter their speed, has vexed mathematicians for decades.
Paulina Rowińska
How Can Astronauts Tell How Fast They’re Going?
Weirdly, spaceships have no direct way to gauge their own speed. Luckily, we can use some physics tricks to figure it out.
Rhett Allain
Dark Matter May Be Made of Black Holes From Another Universe
A model of the cyclic universe suggests that dark matter could be a population of black holes predating the Big Bang.
Jorge Garay
The Trajectory of the Artemis II Moon Mission Is a Feat of Engineering
The astronauts will arrive about 10,300 kilometers beyond our satellite, breaking all previous records for distance from Earth. But how was their route chosen?
Luca Nardi
NASA Wants to Put Nuclear Reactors on the Moon
The White House has announced that NASA will work with the Departments of Defense and Energy to put nuclear reactors in orbit and on the surface of the moon.
Jorge Garay
A Hot-Air Balloon Landed in a California Backyard. The Owner Says It's a 'Very Rare' Event
The CEO of Magical Adventures Balloon Rides tells WIRED how the pilot made a safe landing after they got stranded over a neighborhood.
Brian Barrett
Artemis II Astronauts Witnessed 6 Meteorites Colliding With the Moon
The moon gets hit by space debris all the time, but some of it is so large that the impact generates light that can be seen thousands of kilometers away.
Jorge Garay
Your Vape Wants to Know How Old You Are
Companies hope that biometric age-verification tech in cartridges could put flavored vapes back in business. But it's unlikely to solve the real problems.
Boone Ashworth
Artemis II: Everything We Know as Its Crew Approaches the Far Side of the Moon
Artemis II remains on course for its lunar flyby as the crew shares historic photos of Earth, tests key systems for future lunar missions, and attempts to fix the toilet.
Javier Carbajal
Even Artemis II Astronauts Have Microsoft Outlook Problems
The mission commander’s email inbox failed during the journey to the moon. Have they tried turning the computer off and back on again?
Jeremy White
One Way or Another, Most of Our Electricity Comes From Solar Power
That’s good news, since the forecast is sunshine for the next 5 billion years.
Rhett Allain
The US Military’s GPS Software Is an $8 Billion Mess
The GPS Next-Generation Operational Control System was due for completion in 2016. Ten years later, the software for controlling the military’s GPS satellites still doesn’t work.
Stephen Clark, Ars Technica