floofloof@lemmy.ca to Technology@lemmy.worldEnglish · 8 months agoWe Finally Know How Ancient Roman Concrete Was Able to Last Thousands of Yearswww.sciencealert.comexternal-linkmessage-square35fedilinkarrow-up1212arrow-down136
arrow-up1176arrow-down1external-linkWe Finally Know How Ancient Roman Concrete Was Able to Last Thousands of Yearswww.sciencealert.comfloofloof@lemmy.ca to Technology@lemmy.worldEnglish · 8 months agomessage-square35fedilink
minus-squarebrsrklflinkfedilinkEnglisharrow-up1·8 months agoTo be fair, I don’t think there is a universal definition of what the solar system’s “frontier” would be.
To be fair, I don’t think there is a universal definition of what the solar system’s “frontier” would be.