Plato defined these four things as the fundamental elements of the universe.
Air, earth, fire, and water.
Colorado School of Mines designed a water-based version of this device that is still in the ISS today.
What is a fire extinguisher?
Until Elon Musk took the position in December 2024, this man was considered the wealthiest person in all of human history.
Who is Mansa Musa?
Not to be confused with Etymology, the study of word origins, this word refers to the study of insects.
What is Entomology?
The number of these body parts represents the difference between a dragon and a wyvern.
What are legs?
In 1863, Scientific American published an article explaining why physicists believe the sun is not made of this material.
What is coal?
The 1970 Holden Hurricane was very ahead of it's time, and is one of the first cars to have this modern feature.
What is a rear view camera?
Potatoes are not native to Europe; they were originally from these mountains.
What are the Andes?
Otters and Stoats are both a part of this family of animal.
What is Mustelid?
Moriarty's death, and Shirlock Holmes' fake death happened at this real waterfall in Switzerland.
What is Reichenbach Falls?
He may have also had OCD and Bipolar Disorder, but it is most likely that Isaac Newton had this mental disorder.
What is Autism?
This Noble gas is used in incredibly efficient ion thrusters.
What is Xenon?
Kermit Roosevelt, related to the presidential Roosevelts, was instrumental in organizing a coup in this nation.
What is Iran?
A Byte is eight bits, but this word refers to four bits.
What is a Nibble?
Arnold Schwarzenegger was denied permission to dub himself in the German release of this movie due to his accent.
What is The Terminator?
When physicists assumed that light must have a medium to travel through, they gave that theoretical medium this name.
What is Ether?
This unit of measurement is the only SI base unit that measures a discrete value, rather than a continuous value.
What is a mol?
Only during a solstice, the temple in Chichen Itza will have shadows that form the shape of this animal.
What is a snake?
Vexilology is the study of these symbolic items.
What are flags?
This Disney movie featured the song Aloha Oe, which was written by the last queen of Hawaii.
What is Lilo & Stitch?
The Schwartzchild Radius, originally conceived by a soldier in WWI, is a parameter of these astrological bodies.
What are Black Holes?
Almost every modern programmig language takes some deriviative or concept from this 1958 programming language.
What is ALGOL?
Tawantinsuyu (lit. "Four parts together") was the name of the country referred to by the rest of the world as this name.
What are the Inca?
Spheksophobia is the fear of this family of insect.
What are Wasps?
Before the sun and the moon existed, these two jewels were the original source of light in Middle Earth.
What are the Silmarils?