Inventions

New low-carbon cement is stronger than the regular stuff
Device offers long-distance, low-power underwater communication
New MIT tech could help the world’s biggest polluters clean up their emissions
This startup’s tech turns CO2 into seashell dust
This “living material” self-destructs and cleans up polluted water
The physics of why the first clock in America failed
Artificial kidney aces test in pigs
NASA is spending $850,000 to make a bag for space trash
New battery charged by tears will power smart contact lenses
“Light sculpting” chip can rapidly test for thousands of diseases