...be analyzed takes the form of atomized oil droplets that are ionized by X-rays. Neither is suited for weight measurements over time scales of any length,
...entails the interaction of matter with electromagnetic radiation (e.g. IR light — as in IR spectroscopy or radio waves — as in NMR spectroscopy, nuclea
4 KB (679 words) - 06:11, 1 November 2025
...}: Artificial indoor light is more yellow, outdoor light is more blue. The light color can also depend on weather or time of day. The human eye is a very go
.... If the focus is too close, it implies that point of convergence from the light of the subject is slightly in front of the sensor (i.e. that Megan has acci
7 KB (1,222 words) - 17:00, 26 August 2024
...ns up in the panel. It appears to be the torn paper of the comic itself. A light-blue, sky-like background is revealed. Megan jumps in surprise, nearly tipp
...e in space, with blue not black background. Stars dot the sky, and rays of light seem to originate from a point to the right, and then traverse the frame bo
3 KB (507 words) - 09:00, 15 December 2025
...e that the electrons in radiation therapy hit you at 99.8% of the speed of light, and the beam used in a 90-second gamma ray therapy session could, if fired
...sed (both are types of radiation; the electrons being beta radiation and x-rays being EM [electromagnetic] radiation). Commonly when radiotherapy is used a
4 KB (603 words) - 22:37, 4 May 2022
...d in physics or astronomy education contexts when discussing the nature of light. This comic extends it to absurd lengths by including examples that may be
...tz) of the wave. The values are related as λ=c/f, where c is the speed of light. The last line showing Q(Gal²/Coloumb) is nonsense; Gal ({{w|Gal (unit)|ga
13 KB (2,109 words) - 09:00, 15 December 2025
...one millimeter in diameter. Only their high speed lets them produce enough light to be visible from Earth's surface. The names of the showers refer to the {
...with their eyes closed; these were caused by high energy particles (cosmic rays) penetrating their eyes and brain. The other possibility is that it refers
11 KB (1,739 words) - 14:44, 19 March 2025
...ears to give off a radiant light indicated with gray and white alternating rays going through the image. It is indicated that it shines on the larger rabbi
6 KB (1,062 words) - 10:38, 2 March 2025
...owers, including flight, are caused by "electromagnetic radiation from the rays of a yellow sun" (a fictional classification of stars that includes Earth's
..., whose {{w|Bird anatomy#Skeletal system|bone structures}} are meant to be light in order to fly, and thus are not very durable. If a man punched, say, a {{
19 KB (3,041 words) - 16:55, 27 August 2025
...go supernova in Randall's lifetime, he wouldn't see it since it's over 600 light years away. For Randall to see it during his lifetime, it must have alread
...2002 until 2017. The first year (2002) is cut on the left and the color is light gray. It fades in to black, which it becomes in in 2005. To the left of the
6 KB (975 words) - 12:16, 22 May 2024
...nd for some actual rainbows: if the viewer has an unobstructed view of the light-reflecting substance creating the effect for the whole of the circle's circ
...ertices of the two cones: one at the eye of the viewer, and another at the light source (usually the sun).
6 KB (1,092 words) - 04:40, 14 December 2023
...rence in brightness between the visible flash and more-attenuated UV and x-rays.
...et kilometers). This works because the {{w|speed of light|transmission of light}} is essentially instantaneous over the relevant distances, while the {{w|s
6 KB (911 words) - 18:02, 2 June 2022
...of these phenomena is that there is some matter present that doesn't emit light - "dark matter" - and that has gravity, but is otherwise undetectable. At s
...positively-charged coating which prevents electrons from interacting with light. (Needless to say,{{Citation needed}} this is not an actual candidate for d
17 KB (2,755 words) - 17:54, 27 November 2025
...e UV-light is very damaging to the eyes, a screen that emits sufficient UV-light to darken sunglasses would be hazardous to look at.
[[File:Film Fogging due to X-Rays.tif|thumb|180px|Film fogging due to x-rays]]
9 KB (1,552 words) - 13:30, 29 July 2025
|{{w|Aurora|Auroras}} are colorful discharges of light in the ionosphere, roughly 50-1000 km (30-600 mi) above the Earth's surface
...is scaled world, which is below knee height. To protect themselves from UV rays, visitors would need sunscreen on exposed parts of their body above that le
12 KB (1,991 words) - 14:19, 29 July 2025
...t is very far from everyday experience (where speeds approach the speed of light). It is also employed in statistics for the population mean, which is a qua
...energy photons, so a space opera might have ships flying near the speed of light firing gamma-ray weapons that go PEW PEW. γ is also used as the symbol for
19 KB (3,021 words) - 06:02, 28 March 2024
| titletext = They often use ball lenses to collect light at the ends of optical fibers, so when you look stuff up on the internet yo
...that occurs due to the increased refraction of light rays that occurs when rays strike a spherical lens near its edge, in comparison with those that strike
4 KB (675 words) - 14:21, 4 January 2025
...th. They are also used as a natural radiation source, more powerful than x-rays, for internal imaging, especially of large opaque structures.
...microseconds}}. While moving at {{w|Muon#Muon Decay|99.97% of the speed of light}}, their lifespan (from our perspective) stretches to nearly ninety microse
5 KB (813 words) - 13:49, 9 October 2025
...ets) and their vastly more significant dimming effect on their host star's light (obscuring a greater quantity, if they happen to {{w|Astronomical transit|p
:[Label pointing to a medium-sized object with two sets of spreading out rays coming out. There is also an outline that is slightly dotted:]
20 KB (3,208 words) - 23:55, 15 October 2025
...(and almost everything we ordinarily interact with except light and cosmic rays) is composed entirely of fermions, {{w|Boson#Composite bosons|any composite
5 KB (728 words) - 05:20, 15 August 2024
.... Also, physicists used to be excited about (particles produced by) cosmic rays before they had powerful accelerators.
3 KB (553 words) - 14:21, 15 February 2025