Uncategorized
- Planetary Science
India’s first attempt to land on the moon appears to have failed
Indian scientists haven’t heard from the Vikram lander for a full lunar day, after they lost contact during the robotic spacecraft’s descent.
- Physics
CO2 from champagne bottles can form shock waves like those seen in rocket exhaust
Popping a bottle of bubbly releases a plume of dry ice that bears a visible type of shock wave called a Mach disk.
- Physics
Can time travel survive a theory of everything?
It’s not yet clear whether a theory that unites general relativity and quantum mechanics would permit time travel.
