fossilesque@lemmy.dbzer0.comM to Science Memes@mander.xyzEnglish · 2 days agolight pollutionlemmy.dbzer0.comimagemessage-square39fedilinkarrow-up1587arrow-down17
arrow-up1580arrow-down1imagelight pollutionlemmy.dbzer0.comfossilesque@lemmy.dbzer0.comM to Science Memes@mander.xyzEnglish · 2 days agomessage-square39fedilink
Or a strong laser pointer