3 ms·
see also: https://www.youtube.com/watch?v=MDYkL0krPmw https://www.youtube.com/watch?v=MDYkL0krPmw (NASA NIAC Symposium 2022)
by another 4y ago
see also: https://www.youtube.com/watch?v=MDYkL0krPmw https://www.youtube.com/watch?v=MDYkL0krPmw (NASA NIAC Symposium 2022)