Who invented the BALLPOINT PEN?
Biro Brothers
Waterman Brothers
Bicc Brothers
Write Brothers
In which decade was the first solid state integrated circuit demonstrated?
1950s
1960s
1970s
1980s
What J. B. Dunlop invented?
Pneumatic rubber tire
Automobile wheel rim
Rubber boot
Model airplanes
Which scientist discovered the radioactive element radium?
Isaac Newton
Albert Einstein
Benjamin Franklin
Marie Curie
When was barb wire patented?
1873
1840
1895
1900
What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes?
Charles Richter
Hiram Walker
Giuseppe Mercalli
Joshua Rumble
What Galileo invented?
Barometer
Pendulum clock
Microscope
Thermometer
This statesman, politican, scholar, inventor, and one of early presidents of USA invented the swivel chair, the spherical sundial, the moldboard plow, and the cipher wheel.
George Washington
Alexander Hamilton
John Adams
Thomas Jefferson
What James Watt invented?
Diving bell
Steam boat
Hot air balloon
steam engine
Where is the village of Branston, after which the famous pickle is named?
Yorkshire
Lancashire
Staffordshire
Norfolk