Tag Archives: electrical_currents

Limb-saving table saw knows the difference between a hand and wood

Construction is one of the most dangerous jobs in the world. Mostly because the power tools and other equipment they use is so damn dangerous. A small company called SawStop has invented a table saw that only cuts wood, leaving limbs untouched. The table saw works by sensing electrical currents. When the blade touches something that conducts a current, such ...

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