Goodbye Old Friend

You will be missed.

Space Part Fourteen

Moondust. "I wish I could send you some," says Apollo 17 astronaut Gene Cernan. Just a thimbleful scooped fresh off the lunar surface. "It's amazing stuff."

Feel it—it's soft like snow, yet strangely abrasive.

Taste it—"not half bad," according to Apollo 16 astronaut John Young.

Sniff it—"it smells like spent gunpowder," says Cernan.

How do you sniff moondust?


No green cheese here...

The Smell of Moondust

via boingboing

Space Part Thirteen

Moving in spacetime is impossible because it requires motion in time and motion in time is self-referential.

Moving in spacetime is impossible because an evolution parameter (time) cannot be its own evolution parameter.

Nasty Little Truth About Spacetime Physics