Remember the sound of an old slide projector? A chewing gum machine? A coffee mill?
#ConserveTheSound puts together a virtual audio #museum of (almost) lost everyday #sound:
Like #Apollo17 astronaut Harrison Schmitt throwing his rock hammer before heading into the lunar module for the last time, we’re throwing this lunar panorama here. That’s all folks for #Apollo50th!
The hammer throw: https://apolloinrealtime.org/17/?t=170:29:59
#NASAhistory
I’ve got over a dozen rock cores on board, with many more samples to come. Meanwhile, @[email protected] and @ESA are preparing the extraction team. Check out the bold plan that would bring these samples safely back to Earth in the early 2030s.
A key part of the puzzle is falling into place: being able to electrolyse hydrogen out at sea.
"The compact [seawater electrolyser] ran for an initial test period of 133 days producing over a million litres of hydrogen without any evident corrosion of the catalyst or increase in impurities.