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French Inventions

Based on the clues, name these French inventions and discoveries.
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Last updated: July 3, 2018
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First submittedMay 9, 2014
Times taken13,875
Average score75.0%
Rating4.08
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Clue
Answer
The silver screen
Cinema
Capturing an image for posterity
Photography
The first human flying technology
Hot Air Balloon
Vaccine for this
fatal animal-bite disease
Rabies
Method of reading for the blind
Braille
Butter substitute
Margarine
Very thin pancake
Crêpe
Wheel-based casino game
Roulette
Method of underwater breathing
SCUBA
Tubes of illuminated gas often
used in signs
Neon Lighting
Clue
Answer
Doctor's listening device
Stethoscope
Drawing toy with two knobs
Etch A Sketch
Modern weights and measures
Metric System
Knife attached to the end of a firearm
Bayonet
Swimsuit named after an atomic atoll
Bikini
More humane way to behead someone
Guillotine
Demonstrates the rotation of the Earth
Foucault Pendulum
Method of making food safer,
especially milk
Pasteurization
Way of seeing in a submarine
Periscope
Radioactive element discovered
by the Curies
Radium or Polonium
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28 Comments
+4
Level 41
Jul 14, 2014
A very nice quiz - and an good one to take on the 14th July (especially the guillotine question) (:

Could you please add "Montgolfier" as an acceptable answer? The original type of the hot air balloons is also called this way (after its inventors). Thank you (:

+1
Level ∞
Jul 3, 2018
Okay
+5
Level 43
Jul 14, 2014
Hot air balloons don't fly, they float. It's like saying a log is swimming down a river.
+1
Level 94
Jul 14, 2014
Almost gave up when pasteurize, pasteurizing didn't work.
+1
Level 93
Jul 14, 2014
Want to have a race to 68?
+2
Level ∞
Jul 3, 2018
Pasteurize and pasteurizing will work now
+1
Level 57
Jul 15, 2014
I put in Air Balloon and Pasteurize - neither worked!!!
+1
Level 43
Jul 16, 2014
Could you accept International for the measurement system. The SI, french for the International System, is the metric system. Thanks.
+3
Level 55
Jul 16, 2014
By definition the Systeme International was agreed on by an international committee. It is the system by which one (metric) measure is used as the standard unit for each quantity. (Eg Metres for length, Kilogrammes for mass).

The Metric System on which SI was based, which provides names for all magnitudes of those quantities, is the thing that was invented by the French, inspired by the Revolution and made widespread by Napoleon.

+2
Level 56
Jul 17, 2014
Please allow Polonium as an acceptable answer.
+2
Level 89
Nov 5, 2014
I repeat: Please allow polonium as an acceptable answer.
+2
Level 74
Jul 27, 2014
The best invention on this list, by far, is the bikini...and I think you'll find the Scots used a guillotine way before the French
+3
Level 38
Sep 23, 2014
Yes. No.
+1
Level 75
Jul 14, 2018
The Maiden (also known as the Scottish Maiden) is an early form of guillotine, or gibbet, that was used between the 16th and 18th centuries as a means of execution in Edinburgh, Scotland. The device was introduced in 1564 during the reign of Mary Queen of Scots, and was last used in 1716. It long predates the use of the guillotine during the French Revolution.
+3
Level 72
Mar 1, 2017
Only one missing is the white flag.
+13
Level 79
Jul 14, 2018
That never gets old.

oh, wait, no... it has.

+11
Level 68
Jul 14, 2018
France continues (with a few other countries) to carry the banner of forward thinking and global cooperation while the countries that constantly look down on France plunge backwards into antiquated tribalism. So I think it's time we retire this "white flag" joke, and give the French their due.
+7
Level 60
Jul 15, 2018
Plus they literally surrendered, like, one time. It was the Wermacht! I’d probably surrender too if they came knocking on my door
+2
Level 70
Jul 14, 2018
The guillotine probably does not belong on this list. Beheading machines existing long before the revolution, such as the Halifax gibbet- used as early as the 13th century. The guillotine as we now know it was invented by a German, Tobias Schmidt.
+6
Level 75
Jul 16, 2018
You answered yourself: beheading machines existed, not the guillotine. The question in "more humane way to behead someone" not "first beheading machine"
+4
Level 53
Jul 14, 2018
Baillonette should be accepted
+4
Level 70
Jul 17, 2018
If you're gonna nitpick, at least nitpick properly. The French word is "baïonnette".
+2
Level 92
Aug 14, 2018
Hahaha touché to the dché.
+1
Level 65
Jul 16, 2018
I have seen a Foucault Pendulum first-hand but couldn't remember what it was called, or that it was named after someone.
+3
Level 47
Jul 18, 2018
Eh pas si cons les français! enfin avant :)
+1
Level 76
Sep 30, 2020
Polonium and Radium are polish inventions/discovers...
+6
Level 80
Jan 17, 2023
While Marie maintained her Polish identity, it seems perfectly fair to count the elements she discovered in France, with her French husband, as a naturalized French citizen, as French discoveries.
+3
Level 71
Oct 19, 2025
Pas mal non ? C'est français.