Search results
Results from the WOW.Com Content Network
A full-power flash from a modern built-in or hot shoe mounted electronic flash has a typical duration of about 1ms, or a little less, so the minimum possible exposure time for even exposure across the sensor with a full-power flash is about 2.4 ms + 1.0 ms = 3.4 ms, corresponding to a shutter speed of about 1 ⁄ 290 s. However some time is ...
Hot flashes, also known as hot flushes, are a form of flushing, often caused by the changing hormone levels that are characteristic of menopause. They are typically experienced as a feeling of intense heat with sweating and rapid heartbeat , and may typically last from two to 30 minutes for each occurrence.
Wally West, the first Kid Flash and third adult Flash; Bart Allen, the second Kid Flash who also became the adult hero for a time; Flash (G.I. Joe), a character in the G.I. Joe universe; Flash, a robot in the video game Brave Saga 2; Flash, a character in the comedy film Daddy Day Care (2003) Flash, a character in the TV science fiction drama ...
orange ball, containing a flashing light or now sometimes surrounded by a flashing disc of LEDs, mounted on a post at each end of a zebra crossing (q.v.); named after the UK Minister of Transport Leslie Hore-Belisha who introduced them in 1934. bell-end the glans penis (slang, vulgar), a term of abuse. berk, burk or burke
Depending on the frequency of flash, the element appears motionless or rotating in reverse direction. The stroboscopic effect is a visual phenomenon caused by aliasing that occurs when continuous rotational or other cyclic motion is represented by a series of short or instantaneous samples (as opposed to a continuous view) at a sampling rate ...
An occulting light is a rhythmic light in which the duration of light in each period is longer than the total duration of darkness. In other words, it is the opposite to a flashing light where the total duration of darkness is longer than the duration of light. It has the appearance of flashing off, rather than flashing on.
These flashes usually begin as normal IC lightning flashes before the negative leader exits the cloud and strikes the ground a considerable distance away. [10] [11] Positive clear-air strikes can occur in highly sheared environments where the upper positive charge region becomes horizontally displaced from the precipitation area. [12]
Distant lightning near Louisville, Kentucky. Heat lightning (not to be confused with dry thunderstorms, which are also often called dry lightning) is a misnomer [1] used for the faint flashes of lightning on the horizon or other clouds from distant thunderstorms that do not appear to have accompanying sounds of thunder.