Do astronauts get taller in space?
It is a commonly known fact that astronauts living aboard the International Space Station grow up to 3 percent taller while living in microgravity. They return to their normal height when back on Earth.
Are neutrons a positive charge?
Proton—positive; electron—negative; neutron—no charge. The charge on the proton and electron are exactly the same size but opposite. The same number of protons and electrons exactly cancel one another in a neutral atom.
Why does February have 29 days?
February 29 is a date that usually occurs every four years, and is called leap day. This day is added to the calendar in leap years as a corrective measure, because the Earth does not orbit around the sun in precisely 365 days. The Gregorian calendar is a modification of the Julian calendar first used by the Romans.
How long did it take to build Hadrian's wall?
It took about 14 years to complete Hadrian's Wall. The largest structure ever made by the Romans. Hadrian's Wall was built on the orders of the Roman emperor Hadrian.
Who originally sang Miss American Pie?
"American Pie" is a song by American folk rock singer-songwriter Don McLean. Recorded and released on the American Pie album in 1971, the single was a number-one US hit for four weeks in 1972. In the UK, the single reached No. 2 on its original 1972 release and a reissue in 1991 reached No. 12.
What plant does rum come from?
Rum is a distilled alcoholic beverage made from sugarcane byproducts, such as molasses, or directly from sugarcane juice, by a process of fermentation and distillation. The distillate, a clear liquid, is then usually aged in oak barrels.
What does a steep learning curve mean?
In informal usage, a "steep learning curve" means something that is difficult (and takes much effort) to learn. It seems that people are thinking of something like climbing a steep curve (mountain) — it's difficult and takes effort.
Why is it called the Iron Bowl?
The series is considered one of the best and most hard-fought rivalries in all of sports. As the rivalry was mainly played in Birmingham, Alabama, for many years, the name of the Iron Bowl comes from Birmingham's historic role in the steel industry. Alabama leads the series 42–35–1.
Where is Fort Knox?
The United States Bullion Depository, often known as Fort Knox, is a fortified vault building located adjacent to Fort Knox, Kentucky, used to store a large portion of United States official gold reserves and occasionally other precious items belonging or entrusted to the federal government.
Why are they called crayons?
Edwin Binney, working with his wife, Alice Stead Binney, came up with their famous Crayola brand of crayons. Alice came up with the name Crayola by combining the French word for chalk, craie, with the first part of oleaginous, the oily paraffin wax used to make the crayon.