These were made more accurate in the late 1600s with the inventions of the pendulum & balance spring
In mid-century Otto Von Guericke was the first to use this device to predict the weather
While Pascal's could only add & subtract, Leibniz' could multiply
Your AC, air conditioning, probably runs on AC, this
Device that stealth aircraft technology is designed to trick
At the 1939 New York World's Fair, the robot Elektro was accompanied by Sparko, a robot one of these
The smallest units of information stored in a computer, they form bytes
In 1981 the Solar Challenger was a solar-powered plane & in 1977 the Gossamer Condor was powered by this
Number of bulbs in the Magicube that replaced a battery-powered flash on cameras
The IBM "computer" of 1928 stored its data on these