haxor@derp.fooMB to Hacker News@derp.fooEnglish · 11 months agoSimple streetlight hack could protect astronomy from urban light pollutionwww.space.comexternal-linkmessage-square4fedilinkarrow-up111arrow-down12file-text
arrow-up19arrow-down1external-linkSimple streetlight hack could protect astronomy from urban light pollutionwww.space.comhaxor@derp.fooMB to Hacker News@derp.fooEnglish · 11 months agomessage-square4fedilinkfile-text
minus-squarepopulustree@lemmy.blahaj.zonelinkfedilinkEnglisharrow-up3·11 months agonot a good summary
not a good summary