Dictionary » F » Flashing

Flashing

Flashing

1. (Science: engineering) The creation of an artifical flood by the sudden letting in of a body of water; called also flushing.

2. Pieces of metal, built into the joints of a wall, so as to lap over the edge of the gutters or to cover the edge of the roofing; also, similar pieces used to cover the valleys of roofs of slate, shingles, or the like. By extension, the metal covering of ridges and hips of roofs; also, in the united states, the protecting of angles and breaks in walls of frame houses with waterproof material, tarred paper, or the like. Cf. Filleting.

3. The reheating of an article at the furnace aperture during manufacture to restore its plastic condition; especially, the reheating of a globe of crown glass to allow it to assume a flat shape as it is rotated. A mode of covering transparent white glass with a film of coloured glass.

(Science: chemistry) flashing point, that degree of temperature at which a volatile oil gives off vapor in sufficient quantity to burn, or flash, on the approach of a flame, used as a test of the comparative safety of oils, especially. Kerosene; a flashing point of 100 deg f. Is regarded as a fairly safe standard. The burning point of the oil is usually from ten to thirty degree above the flashing point of its vapor.


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Evolution of fireflies

... without thinking about all the intermediate steps needed to get there. I'm not an entomologist but I suspect that this began as simply the males flashing a brightly-colored part of their body (abdomen?). There are advantages for insects to be active at night, since there are fewer predators, ...

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by thoffnagle
Thu Jun 06, 2013 9:44 pm
 
Forum: Evolution
Topic: Evolution of fireflies
Replies: 4
Views: 2529

Evolution of fireflies

... by any species are those that give it a competitive advantage in the struggle for existence. On various trips to Italy I have seen fireflies flashing away in the evening, this being, apparently, an aid to mating and reproduction. The more I think about this characteristic, the odder it seems. ...

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by Lazzini
Tue May 07, 2013 10:51 pm
 
Forum: Evolution
Topic: Evolution of fireflies
Replies: 4
Views: 2529

Life Science

... like yellow which is like 5.0 or 4.9 or so and some of them died but the tank in all was fine. What's Pavlovian behavior, and where will i get a flashing light for a fish tank? God.... you guys i can tell are a lot older than me. :shock:

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by locobw
Tue Dec 11, 2007 11:58 pm
 
Forum: General Discussion
Topic: Life Science
Replies: 29
Views: 12349

Life Science

You'll kill them lol. Why don't you try testing them for pavlovian behavior? Like maybe put a flashing light in the tank when you feed them.

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by mith
Tue Dec 11, 2007 3:49 am
 
Forum: General Discussion
Topic: Life Science
Replies: 29
Views: 12349

The effect of temperature on the survival of yeast cells

... of light. This can then be drawn on a graph really easily. The only bad thing is that they don't measure exactly below one. If the number 1 is flashing it means below one.

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by wannabeaditz
Sun Apr 29, 2007 5:52 pm
 
Forum: General Discussion
Topic: The effect of temperature on the survival of yeast cells
Replies: 79
Views: 79820
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