Inventions trivia

Inventions Mini Quiz

Test your knowledge with these top questions!

Question 1

Who is credited with inventing the first practical telegraph?

Samuel Morse, primarily a portrait painter, developed the telegraph after receiving news of his wife's death too late to attend her funeral.

Question 2

What ignition method distinguishes diesel engines from gasoline engines?

Diesel engines use compression ignition rather than spark plugs, as compressed air reaches 800°F and automatically ignites the fuel.

Question 3

Who is credited with the discovery of penicillin?

Alexander Fleming discovered penicillin in 1928 when he noticed mold on a petri dish had created a bacteria-free zone, revealing its antibiotic properties.

Question 4

Which digital image file format is known for preserving all the original image data captured by the camera without compression?

RAW files preserve everything your camera's sensor captures without compression, serving as "digital negatives" with all original image data intact.

Question 5

What core component allows a traditional compass to function?

Compass needles have guided travelers for over 1,000 years by aligning with Earth's magnetic field when suspended freely.

Question 6

What is the premise of the TV show 'The Mindy Project' starring Mindy Kaling?

'The Mindy Project' follows a doctor juggling her career, love life, and friendships, reflecting Mindy Kaling's own experiences in the medical field.

Question 7

Which refrigerant was phased out due to its ozone-depleting properties?

Freon was considered a miracle chemical for refrigeration until scientists discovered it broke down in the stratosphere and damaged the ozone layer.

Question 8

What is the largest moon in our solar system?

Ganymede, Jupiter's largest moon, is bigger than Mercury and has its own magnetic field - the only moon known to have one.

Question 9

Which material was used in the first successfully demonstrated laser?

The first working laser used a synthetic ruby crystal with silvered ends, flashed with intense light to emit a concentrated red beam.

Question 10

What does GPS stand for?

GPS was originally developed by the US Department of Defense for military use, before being made available for civilian use.