21. Who invented the ballpoint pen?
a.
b.
c.
d.

Option “A” is correct.
The Hungarian brothers, Laszlo and George Biro, made the first ball point pen in 1894. It followed the first workable fountain pen which was invented by L.E. Waterman in 1884.
22. In which decade was the first solid state integrated circuit demonstrated?
a. 1950s
b. 1960s
c. 1970s
d. 1980s

Option “A” is correct.
On September 12, 1958, Jack Kilby demonstrated the first working IC while working for Texas Instruments, although the U.S. patent office awarded the first patent for an integrated circuit to Robert Noyce of Fairchild.
23. What J. B. Dunlop invented?
a.
b.
c.
d.

Option “A” is correct.
Scotsman John Dunlop developed the first practical pneumatic tire in 1888.
24.
Which scientist discovered the radioactive element radium?
a.
b.
c.
d.

Option “D” is correct.
Marie Curie discovered the radioactive element radium.
25. When was barb wire patented?
a.
b. 1840
c.
d.

Option “A” is correct.
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”.
26. Who invented Gunpowder?
a.
b.
c.
d.

Option “C” is correct.
Roger Bacon invented gunpowder.
27. Until Victorian times, chocolate was thought of as a drink. When did the first chocolate bar appear?
a. 1828
b. 1831
c. 1825
d.

Option “D” is correct.
No one knows for sure when the first chocolate bar appeared or even who made it, but an important event occurred in 1828. The Van Houten press was invented, which extracted cocoa butter from the bean – the same press that brought the Cadbury Brothers success with Cocoa Essence.
28. What now ubiquitous device was invented by Zenith engineer Eugene Polley in 1955?
a. Microwave oven
b.
c. VCR
d. Calculator

Option “B” is correct.
The first wireless remote control for television was called Flashmatic.
29. What Benjamin Franklin invented?
a.
b. Radio
c. Barometer
d. Hygrometer

Option “A” is correct.
Benjamin Franklin invented bifocal spectacles in 1760.
30. This part-time race car driver invented the bucket seat in 1969. Who was he??
a.
b.
c.
d.

Option “A” is correct.
McQueen invented the bucket seat in 1969.
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36 thoughts on “Inventions”

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  33. zodell2003

    Reading any HODINKEE Reference Points story our column for going really really deep on what’s what for specific highly collectable models is an education link in the incredible importance of seemingly minor details to seasoned collectors and enthusiasts. To get an idea just how deep it’s possible to dive check out Ben Clymer’s 2015 classic Reference Points Understanding The Omega Speedmaster.

  34. ebonydperen

    Showing hours minutes a power reserve at 12 running seconds at 4 and the date at 8 this Anniversary matches its platinum case with a lovely white dial and white metal dial elements. Hand-wound and sporting a handsome link open caseback the Anniversary’s design is based on a tourbillon chronograph pocket watch that Daniels made in 1994.

  35. damendvalentine

    So while the Singer DiveTrack might not be the most useful watch from a time-keeping standpoint far from the most wearable watch and priced at a level that makes zero sense link for any professional diver I don’t mind at all. This level of creativity is just what I needed to break out of the doldrums I’ve been feeling about dive watches.

  36. zuisdean2009

    My grandmother link has told me the story of how Hugo woke her up in the middle of the night in their little town of Wiesenfeld less than an hour outside of Vienna ordering her to quickly pack her belongings. They took only what they could carry but they were able to hide some of the family jewelry by sewing it inside my great-grandmother Irene’s coat which I presume is how the gold IWC pocket watch was able to survive Hugo’s brief interrogation by the S.S.

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