- James Buchanan (allthetropes.org)
James Buchanan was the only President to never marry (his niece fulfilled the duties of First Lady). He was engaged to a woman at one point, but they broke up and she died (likely suicide) shortly after. Although each of the three previous Presidents had played a part in creating the circumstances that led to the Civil War (Zachary Taylor’s belligerent approach to the slave states got things off on the wrong foot, Millard Fillmore created an ultimately ill-advised compromise agreement, and Franklin Pierce proceeded to piss off the slave states by breaking the terms of said agreement), the final, fatal lurch towards the conflict happened on Buchanan’s watch.
- Atom (Wikipedia)
Atoms are the basic particles of the chemical elements and the fundamental building blocks of matter. An atom consists of a nucleus of protons and generally neutrons, surrounded by an electromagnetically bound swarm of electrons. The chemical elements are distinguished from each other by the number of protons that are in their atoms. For example, any atom that contains 11 protons is sodium, and any atom that contains 29 protons is copper. Atoms with the same number of protons but a different number of neutrons are called isotopes of the same element.
- Atom (en.wikiquote.org)
An atom is the smallest unit of ordinary matter that forms a chemical element. Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms. Atoms are extremely small, typically around 100 picometers across. They are so small that accurately predicting their behavior using classical physics—as if they were tennis balls, for example—is not possible due to quantum effects.