(1) For the protocol that adds NFTs to Bitcoin, see Bitcoin Ordinals. (2) A number that identifies the sequence of an item; for example, "record #34 is invalid." Contrast with "cardinal number," which ...

The following is an excerpt from Beyond Infinity: An Expedition to the Outer Limits of Mathematics, by Eugenia Cheng Mathematics can be thought of as many things: a language, a tool, a game. It might ...

Alex Warren starts the week ahead to keep Ordinary at Number 1 for a second week. Ordinary’s success could also push Carry You Home to a brand new peak (15) inside the Top 20. A challenge could come, ...

It seems like such an ordinary number – so why does it show up so frequently? In the episode “Xmas Story,” Bender receives a card designating him “Son #1729;” but the number shows up in other places, ...

Standard form close standard formA number between 1 and 10 multiplied by a power of ten, eg 193 in standard form is written as 1·93 × 10², 0·193 in standard form is written as 1·93 ×10⁻¹. It is used ...

Everyone loves unsolved mysteries. Examples include Amelia Earhart’s disappearance over the Pacific in 1937 and the daring escape of inmates Frank Morris and John and Clarence Anglin from Alcatraz ...