Inventions

Honda unveils hands-free wheelchair you steer like a Segway
Ex-NASA engineer Mark Rober created the world’s smallest Nerf gun — from DNA
This massive autonomous cargo plane could slash shipping costs
Octopus tentacle-like patch delivers drugs through your cheek
Artificial wombs for preemies move closer to human trials
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