Q. Who invented the BALLPOINT PEN?
? Biro Brothers
Q. What J. B. Dunlop invented?
? Pneumatic rubber tire
Q. Which scientist discovered the radioactive element radium?
? Marie Curie
Q. When was barb wire patented?
Q. What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes?
? Charles Richter
Q. What Galileo invented?
Q. What James Watt invented?
? Rotary steam engine
Q. Where is the village of Branston, after which the famous pickle is named?
? Stafford shire
Q. Who invented Jet Engine?
? Sir Frank Whittle
Q. What invention caused many deaths while testing it?