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Interesting Engineering on MSN

Simple salt tweak pushes sodium batteries past 500 cycles and 70% capacity retention

In lab tests, the anode-free sodium battery hit a critical current density above 20 mA cm⁻² and supported charging rates of ...
House Digest on MSN

The Simple Trick That Helps You Avoid Starting A Fire With Old Batteries

Old, dead batteries still have enough juice to short circuit and start a fire. This proper storage tip prevents them from ...