Today, several missions a year are launched using manned space shuttles that can be flown back to earth like gliders and reused on future space missions.
Another example of the change in our technology over the last century is the change in the computer. In 1946, the first electronic computer called the ENIAC took up the space of a large room... displayed 300 characters
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In 1946, the first electronic computer called the ENIAC took up the space of a large room. Instead of using transistors and IC chips, the ENIAC used vacuum tubes. Compared to many computers now, the ENIAC is about as powerful as a small calculator. That may not be much, but it is a milestone because there would not be computers today if it were not for the ENIAC... displayed next 300 characters
"The widely-held public perception is that robots can do much more than they actually can," said Prof Close. "They're very good at doing well-defined repetitive tasks, they're not good problem solvers...
They investigated Mercury, Venus, and Mars. The Mariner II flew within 35,400 km of the surface of Venus. (1) It sent information back to Earth about Venus's atmosphere, rotation period, and information on its magnetic field...
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