Interesting Engineering on MSN

Gravity battery could power tall buildings using elevator-style energy storage system

Researchers pointed out that the system consists of a motor-generator unit, hoisting ropes, transmission gears, and a heavy ...
C&EN

Slime-like electrolyte promises safe, recyclable batteries

Lithium-ion batteries can catch fire because they use liquid electrolytes made of flammable organic solvents. A new ...