aneeta96 t1_je7hi1a wrote
Reply to comment by erosram in This Swiss hypersonic hydrogen-powered jet will cut flights from Europe to Australia to 4 hours by altmorty
Reality rarely lives up to the theoretical expectations. Doesn't make it any less real however.
blargh9001 t1_je8m7k3 wrote
I made a paper plane prototype of my faster-than-light spaceship, so FTL travel is no longer just theoretical.
do_you_even_ship_bro t1_je8tetw wrote
Did it achieve hypersonic speed?
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