The SawStop saw can sense a slight electrical current that human fingers (and hot dogs) create. When it senses the current, the saw triggers a safety brake, which stops the blade in less than 5/1,000th of a second.
Courtesy of SawStop
An illustration of what the sea creature Tiktaalik may have looked like. Known as a "fishapod," Tiktaalik bridged the gap between sea living and land living creatures, and played an important evolutionary role on our journey to becoming human.
Zina Deretsky/National Science Foundation
Claude Monet bought his house in Giverny seven years after he first started renting it. He worked hard to create the gardens, later featured in his paintings, around his home.
Fondation Claude Monet