The magnesium anode and the various salt cathodes used are all solid-state ... Other obscure uses exist for these batteries, too. Smart pills exist that feature a tiny magnesium-copper cell ...

ORS stands for Oral Rehydration Solution, a basic but smart mix of water, sugar, and salt that works like a charm to replace ...

Epsom salt has so many smart uses around the house that you may ... cabinet may be the most affordable way to occasionally add magnesium into the soil. The key to making sure this doesn't take ...