Who invented the BALLPOINT PEN?
In which decade was the first solid state integrated circuit demonstrated?
What J. B. Dunlop invented?
Which scientist discovered the radioactive element radium?
What Galileo invented?
Various authors have credited the invention of the thermometer to Cornelius Drebbel, Robert Fludd, Galileo Galilei or Santorio Santorio. The thermometer was not a single invention, however, but a development.
Galileo Galilei also discovered that objects (glass spheres filled with aqueous alcohol) of slightly different densities would rise and fall, which is nowadays the principle of the Galileo thermometer (shown). Today such thermometers are calibrated to a temperature scale.
When was barb wire patented?
Joseph F. Glidden was born in New York on Jan. 18, 1812. He invented barbed wire in 1873 and was granted the patent on Nov. 24, 1874. After a three year battle over the patent, which he eventually won, Gidden became known as the "Father of Barbed Wire".
What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes?
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.
What James Watt invented?
Where is the village of Branston, after which the famous pickle is named?
Who invented Jet Engine?
What invention caused many deaths while testing it?
Who invented Gunpowder?
Until Victorian times, chocolate was thought of as a drink. When did the first chocolate bar appear?
In which decade was the telephone invented?
Who perfected GENETIC ENGINEERING?
What now-ubiquitous device was invented by Zenith engineer Eugene Polley in 1955?
What Benjamin Franklin invented?
This part-time race car driver invented the bucket seat in 1969. Who was he??
What plaything was invented by Joe McVicker in 1956?
Who was the first American female to patent her invention, a method of weaving straw with silk?
Who invented Gramophone?
Who invented Internal Combustion Engine?
When was Monopoly created?
Who invented Fountain Pen?