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A superbloom is a rare desert botanical phenomenon in California and Arizona in which an unusually high proportion of wildflowers whose seeds have lain dormant in desert soil germinate and blossom at roughly the same time. The phenomenon is associated with an unusually wet rainy season. The term may have developed as a label in the 1990s. [1 ...
This is a list of sources of light, the visible part of the electromagnetic spectrum.Light sources produce photons from another energy source, such as heat, chemical reactions, or conversion of mass or a different frequency of electromagnetic energy, and include light bulbs and stars like the Sun. Reflectors (such as the moon, cat's eyes, and mirrors) do not actually produce the light that ...
Also variously known as motor spirit (old-fashioned), motor gasoline, mogas, aviation gasoline and avgas (the last two being a slightly heavier type designed for light aircraft) petrol-head, petrolhead someone with a strong interest in cars (especially high performance cars) and motor racing (US: gearhead or motorhead). phone box payphone ...
Summum bonum is a Latin expression meaning the highest or ultimate good, which was introduced by the Roman philosopher Cicero [1] [2] to denote the fundamental principle on which some system of ethics is based — that is, the aim of actions, which, if consistently pursued, will lead to the best possible life.
The sharp surge of N-word usage on X likely didn't make the platform feel any safer to Black users, either. What remains true, though: Black Twitter has forged an unbreakable community.
A good luck charm is an amulet or other item that is believed to bring good luck. Almost any object can be used as a charm. Coins, horseshoes and buttons are examples, as are small objects given as gifts, due to the favorable associations they make. Many souvenir shops have a range of tiny items that may be used as good luck charms.
The word "luxury" derives from the Latin verb luxor meaning to overextend or strain. From this, the noun luxuria and verb luxurio developed, "indicating immoderate growth, swelling, ... in persons and animals, willful or unruly behavior, disregard for moral restraints, and licensciousness", and the term has had negative connotations for most of its long history. [2]
When light strikes an interface between two substances, in general, some may be reflected, some absorbed, some scattered, and the rest transmitted (also see refraction). Reflection can be diffuse, for example light reflecting off a white wall, or specular, for example light reflecting off a mirror. An opaque substance transmits no light, and ...