@[email protected] to [email protected]English • 8 months agoWe Finally Know How Ancient Roman Concrete Was Able to Last Thousands of Yearswww.sciencealert.comexternal-linkmessage-square33fedilinkarrow-up1212arrow-down136
arrow-up1176arrow-down1external-linkWe Finally Know How Ancient Roman Concrete Was Able to Last Thousands of Yearswww.sciencealert.com@[email protected] to [email protected]English • 8 months agomessage-square33fedilink
minus-squareGreatAlbatrosslinkfedilinkEnglish16•8 months agoTo be fair, we keep expanding what we class as the solar system. Poor old voyager keeps getting the goalposts moved!
minus-square@[email protected]linkfedilinkEnglish4•8 months agoThe year is 76,014. Voyager still hasn’t left the solar system. Also, the solar system now contains Proxima Centauri.
To be fair, we keep expanding what we class as the solar system. Poor old voyager keeps getting the goalposts moved!
The year is 76,014. Voyager still hasn’t left the solar system. Also, the solar system now contains Proxima Centauri.