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...}: 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

...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

...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

...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|Gallon}}) is

...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

...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

...trength and superhuman abilities through sunbathing in the {{w|Sun|Sun's}} light here on Earth. Which was how he got his super powers in the first place. ..., 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 {{

...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 .... 4, 2017 in the early evening. While light, and x-rays as well, travel at light speed the mass ejected did only move at a speed of 500-1,000 km/s. It was [

...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).

...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

...positively-charged coating which prevents electrons from interacting with light. (Needless to say,{{Citation needed}} this is not an actual candidate for d ...ing by the predicted {{w|Hawking radiation}}, and we'd see a buzz of gamma rays from every direction if many of those objects would exist. Nonetheless this

...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]]

|{{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

...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

| 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

.... Also, physicists used to be excited about (particles produced by) cosmic rays before they had powerful accelerators.

...on)|psychiatric medication}}. Beryllium is both toxic and transparent to x-rays, but also keeps its shape and stiffness over a wide range of temperatures, ...n alloys with specific uses, including {{w|stainless steel}}, {{w|Electric light|bulb filaments}} and {{w|Superconductivity|superconductors}}.<br/>A {{w|spa

...spike|Diffraction spikes}} are visual artifacts that appear to extend from light sources, mostly when viewed through a reflector telescope. In telescopes, t The title text also claims that the spikes produce sufficient light and heat to disrupt seasonal (and perhaps even diurnal) patterns on planets