Amazon has this DEWALT 20-volt drill and impact driver set on sale for 48% off in a deal that’s better than Black Friday
Amazon has slashed a massive 48% off this DEWALT drill and impact driver set, dropping it to its lowest price ever. Here's ...
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USTC develops high-performance rechargeable lithium-hydrogen gas batteries
A research team led by Prof. CHEN Wei at University of Science and Technology of China (USTC) has introduced a new chemical ...