Hard Tech

3D-printed “superalloy” could make power plants more efficient
The material is both stronger and lighter than those used to make conventional turbines.
This soft brain implant unfurls its arms under the skull
A soft brain implant that unfurls under the skull could make implantation surgeries less costly and risky.
MIT breakthrough creates world’s smallest holographic microscope
The world’s smallest holographic microscope foreshadows a future in which smartphones could be used for high-res microscopy.
MIT’s robotic nose can detect first sign of disease
Facebook’s smart glasses are stylish and creepy 
Twisty nuclear fusion reactor gets twice as hot as the sun
Why NASA is testing an electric flying taxi
Forensic scientists continue mission to identify 9/11 victims
Bitcoin is now ‘legal tender’ in El Salvador
AI is helping cars spot potholes 
Drone ambulances race to help cardiac arrest victims (Updated)
Crisis app for Afghans provides real-time updates on threats
Fighting for the right to repair McDonald’s ice cream machines