Trivia

Hard

A “Barn” Is A Unit Of Measurement Used In What?

Data Backup
Cell Tower Construction
Nuclear Physics
Sailing
An image of an actual lead ion collision taken from tracking detectors on the NA49 experiment, part of the heavy ion project at CERN.
CERN/CERN Document Server

Answer: Nuclear Physics

When you think of a barn, you likely think of a large storage building located on a farm. In the teeny tiny world of nuclear physics, however, a barn is an absolutely minuscule measurement of area equal to 1.0×10−28 m2.

The term originated in the Manhattan Project in the 1940s. Physicists working at Purdue University needed a secret term to refer to the approximate cross-section of the nucleus of an atom. The decision to use “barn” as the term was a clever joke since their research focused on hitting the nucleus with an accelerated particle—an extremely difficult task—but the American English idiom “couldn’t hit the broad side of a barn” suggests someone has aim so poor that they couldn’t hit a large object with a baseball.

There are two derivative units of area measurement used less frequently: the outhouse (1.0×10−6 barns) and the shed (1.0×10−24 barns).

Trivia

Hard

The Longest Suspension Bridge In The World Is Located In?

Trivia

Hard

Instead Of The Lunar Rover, NASA Considered Using Which Of The Following Instead?

Trivia

Hard

The Finnish People Survived A Great Famine In The 1860s By Eating?

Trivia

Hard

In Addition To Corn And Rice, The Most Important Carbohydrate Source For Tropical Nations Is?

Trivia

Hard

What Video Game Had The Longest Gap Between Its First Release And Sequel?

Trivia

Hard

The Most Efficient Subway System In The World Is Located In?

Trivia

Hard

The Smallest Fox Species In The World Is The?

Trivia

Hard

Which Computer Engineer Is Best Known For Giving The Mother Of All Demos?

Trivia

Hard

ABC Interrupted Regularly Scheduled Programming To Announce The Reintroduction Of What?

Trivia

Hard

Which of These Animals Secretes Sun Screen?