Ghostly swamp will-O'-the-wisps may be explained by science

https://news.ycombinator.com/rss Hits: 6
Summary

3-D: Short for three-dimensional. This term is an adjective for something that has features that can be described in three dimensions — height, width and length. carcass: The body of a dead animal. chemical: A substance formed from two or more atoms that unite (bond) in a fixed proportion and structure. For example, water is a chemical made when two hydrogen atoms bond to one oxygen atom. Its chemical formula is H2O. Chemical also can be an adjective to describe properties of materials that are the result of various reactions between different compounds. chemical reaction: A process that involves the rearrangement of the molecules or structure of a substance, as opposed to a change in physical form (as from a solid to a gas). compound: (often used as a synonym for chemical) A compound is a substance formed when two or more chemical elements unite (bond) in fixed proportions. For example, water is a compound made of two hydrogen atoms bonded to one oxygen atom. Its chemical symbol is H2O. electricity: A flow of charge, usually from the movement of negatively charged particles, called electrons. environmental chemistry: The scientific study of potentially toxic chemicals that may pollute the environment or food supply. federal: Of or related to a country’s national government (not to any state or local government within that nation). field: An area of study, as in: Her field of research is biology. flammable: Something that can burn (go up in flames) easily. green: (in chemistry and environmental science) An adjective to describe products and processes that will pose little or no harm to living things or the environment. hydrocarbon: Any of a range of molecules containing chemically bound carbon and hydrogen atoms. Crude oil, for example, is a naturally occurring mix of many hydrocarbons. ignite: (in chemistry) To engage in the first step in combustion by getting some fuel (such as natural gas or gasoline) to heat enough to start burning. (in physics) To start a self-...

First seen: 2025-10-22 12:21

Last seen: 2025-10-22 17:25