haxor@derp.fooMB to Hacker News@derp.fooEnglish · 1 year agoSimple streetlight hack could protect astronomy from urban light pollutionwww.space.comexternal-linkmessage-square4fedilinkarrow-up111arrow-down12file-textcross-posted to: [email protected]
arrow-up19arrow-down1external-linkSimple streetlight hack could protect astronomy from urban light pollutionwww.space.comhaxor@derp.fooMB to Hacker News@derp.fooEnglish · 1 year agomessage-square4fedilinkfile-textcross-posted to: [email protected]
not a good summary