Thomas Alva Edison is one of the greatest innovators who is credited with inventing the phonograph, the motion picture camera, film projectors, practical use of electricity, and an improved and effective electric light bulb that was superior to gas lighting. When asked once if he were afraid of anything he replied, ‘I am afraid of the…
The fax machine was invented by a Scottish inventor Alexander Bain in 1843. He devised an apparatus comprising two pins that were connected to two pendulums through five wires. When an electric signal was sent from the transmitting end, the receiving end was able to reproduce the signal on an electrochemically sensitive paper impregnated with chemicals….
Admiral Grace Murray Hopper was the first US navy officer and a computer scientist. She realized that with an easy programming language it would be easy for users who were neither mathematicians nor computer experts. This conviction led her to invent a popular programming language COBOL (Common Business-Oriented Language), which is used in business and finance.
Apollo 11 was the mission of NASA, which placed a human on a celestial body, the moon. The journey to the moon took three and a half days and carried three astronauts: Neil Armstrong, Edwin Aldrin and Michael Collins. Armstrong said later: ‘We landed with a little less fuel than we would have liked to have…
Most martial art films are sped up to make fighting scenes appear fast; it was the opposite of the norm in the case of Bruce Lee’s films. His actions were very fast and could not be captured on the regular 24 frames per second (fps). So his moves had to be filmed at 32 fps,…
Gallium is a soft and brittle metal which is found in bauxite or zinc ores. It melts at 29.7 degrees celsius, which is about room temperature. In fact, if you hold Gallium in your hand, it will melt. Gallium is mostly used in microwave technology.
