Sjmarf@sh.itjust.works to Science Memes@mander.xyzEnglish · 2 个月前I can whistle at the speed of soundsh.itjust.worksimagemessage-square134fedilinkarrow-up11.14Karrow-down18
arrow-up11.13Karrow-down1imageI can whistle at the speed of soundsh.itjust.worksSjmarf@sh.itjust.works to Science Memes@mander.xyzEnglish · 2 个月前message-square134fedilink
minus-squareprenatal_confusion@lemmy.onelinkfedilinkEnglisharrow-up2·2 个月前Wait, how do you make the laser pointer travel at the speed of light? I assume it has some mass.
Wait, how do you make the laser pointer travel at the speed of light? I assume it has some mass.