What acid does not melt plastic?

“Hydrofluoric acid won’t eat through plastic. It will, however, dissolve metal, rock, glass, ceramic. So there’s that.” Hydrofluoric acid (HF) is a solution of hydrogen fluoride in water.

What does IPA stand for?

India Pale Ale (IPA) is a hoppy beer style within the broader category of pale ale. It was first brewed in England in the 19th century. The first known use of the term “India pale ale” is an advertisement in the Sydney Gazette and New South Wales Advertiser in 1829.

How long is a Planck length?

The Planck length is the scale at which classical ideas about gravity and space-time cease to be valid, and quantum effects dominate. This is the ‘quantum of length’, the smallest measurement of length with any meaning. And roughly equal to 1.6 x 10-35 m or about 10-20 times the size of a proton.

Why did Benjamin Franklin not want the bald eagle to be the national bird?

Franklin objected to making the bald eagle the national bird on the grounds that he found it to be “a bird of bad moral character” because it “does not get his living honestly” as it steals food from others and is “too lazy to fish for himself.”

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.

What does the MI in mi5 stand for?

“MI5/MI6” were the original designations when both organisations came under the War Office, now the MOD – “MI” stands for military intelligence. Their official names (acquired in the 30s) are the Security Service (MI5) and SIS, the Secret Intelligence Service (MI6).

When did Walt Disney World open?

Walt Disney World. The Walt Disney World Resort, informally known as Walt Disney World or simply Disney World, is an entertainment complex in Lake Buena Vista, Florida. The resort opened on October 1, 1971 and is the most visited attraction in the world, with attendance of 52.5 million annually.