backscatter effect

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• Backscatter X-ray — Backscatter technology produces an image that resembles a chalk etching.[1] …   Wikipedia

• Backscatter (email) — Backscatter (also known as outscatter, misdirected bounces, blowback or collateral spam) is incorrect automated bounce messages sent by mail servers, typically as a side effect of incoming spam. Recipients of such messages see them as a form of… …   Wikipedia

• Backscatter (e-mail) — Backscatter (also known as outscatter, misdirected bounces, blowback or collateral spam) is a side effect of e mail spam, viruses and worms, where email servers receiving spam and other mail send bounce messages to an innocent party. This occurs… …   Wikipedia

• Backscatter (disambiguation) — Backscatter is the reflection of waves, particles or signals. The term may also refer to:*Backscatter X ray, a new type of imaging technology *Backscatter (DDOS), a side effect of denial of service attacks on computer resources *Backscatter (e… …   Wikipedia

• Proximity effect (electron beam lithography) — The proximity effect in electron beam lithography (EBL) is the phenomenon that the exposure dose distribution, and hence the developed pattern, is wider than the scanned pattern, due to the interactions of the primary beam electrons with the… …   Wikipedia

• Opposition surge — The opposition effect brightens the area around Buzz Aldrin s shadow due to retroreflective properties of lunar regolith. The opposition surge (sometimes known as the opposition effect, opposition spike or Seeliger effect[1]) is the brig …   Wikipedia

• Coherent backscattering — In physics, coherent backscattering is observed when coherent radiation (such as a laser beam) propagates through a medium which has a large number of scattering centers (such as milk or a thick cloud) of size comparable to the wavelength of the… …   Wikipedia

• Full body scanner — Backscatter x ray image of TSA Security Laboratory Director Susan Hallowell. A full body scanner is a device that creates an image of a person s nude body through their clothing to look for hidden objects without physically removing their clothes …   Wikipedia

• Denial-of-service attack — DoS redirects here. For other uses, see DOS (disambiguation). DDoS Stacheldraht Attack diagram. A denial of service attack (DoS attack) or distributed denial of service attack (DDoS attack) is an attempt to make a computer resource unavailable to …   Wikipedia

• STS-62 — Infobox Space mission mission name = STS 62 insignia = Sts 62 patch.png shuttle = Columbia launch pad = 39 B launch = March 4, 1994, 8:53:01 a.m. EST landing = March 18, 1994, 8:10:42 a.m. EST, KSC Runway 33 duration = 13 days, 23 hours, 16… …   Wikipedia

• Clutter (radar) — Clutter is a term used for unwanted echoes in electronic systems, particularly in reference to radars. Such echoes are typically returned from ground, sea, rain, animals/insects, chaff and atmospheric turbulences, and can cause serious… …   Wikipedia