Engineering

“Iron Man” material made from DNA and glass is 4x stronger than steel
From a five-layer graphene sandwich, a rare electronic state emerges
Ex-NASA engineer Mark Rober created the world’s smallest Nerf gun — from DNA
Cleaning up one of the world’s most commonly used substances
Desalination system could produce freshwater that is cheaper than tap water
An implantable device could enable injection-free control of diabetes
Spending time in space can harm the human body − but scientists are working to mitigate these risks before we go to Mars
Device offers long-distance, low-power underwater communication
SpinLaunch will hurl payloads into orbit, cutting the cost of launch by 20x
Arrays of quantum rods could enhance TVs or virtual reality devices