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  2. Backscatter (photography) - Wikipedia

    en.wikipedia.org/wiki/Backscatter_(photography)

    Backscatter (photography) The backscatter of the camera's flash by motes of dust causes unfocused orb-shaped photographic artifacts. In photography, backscatter (also called near-camera reflection[1]) is an optical phenomenon resulting in typically circular artifacts on an image, due to the camera's flash being reflected from unfocused motes of ...

  3. Acute radiation syndrome - Wikipedia

    en.wikipedia.org/wiki/Acute_radiation_syndrome

    Acute radiation syndrome (ARS), also known as radiation sickness or radiation poisoning, is a collection of health effects that are caused by being exposed to high amounts of ionizing radiation in a short period of time. [1] Symptoms can start within an hour of exposure, and can last for several months. [1][3][5] Early symptoms are usually ...

  4. Spirit photography - Wikipedia

    en.wikipedia.org/wiki/Spirit_photography

    Tkay Anderson, co-founder of the Facebook page There's a (ghost) App For That was able to find the specific ghost used in the faked photo. Other clues were that the "ghost" was sharper than the rest of the picture, the ghost was black and white while the rest of the picture was in colour and the ghost was calculated to be about 11 feet tall. [26]

  5. ‘Does smartphone exposure cause brain cancer?’: Ask a doctor

    www.aol.com/news/does-smartphone-exposure-cause...

    Public fears of cell phone exposure were elevated after an early trial in 2008 found a correlation between glioblastoma (an aggressive malignant brain cancer) and acoustic neuromas, which Saphier ...

  6. William H. Mumler - Wikipedia

    en.wikipedia.org/wiki/William_H._Mumler

    William H. Mumler (1832–1884) was an American spirit photographer who worked in New York City and Boston. [1] His first spirit photograph was apparently an accident—a self-portrait which, when developed, also revealed the "spirit" of his deceased cousin. Mumler then left his job as an engraver to pursue spirit photography full-time, taking ...

  7. List of apocalyptic and post-apocalyptic fiction - Wikipedia

    en.wikipedia.org/wiki/List_of_apocalyptic_and...

    Apocalyptic fiction is a subgenre of science fiction that is concerned with the end of civilization due to a potentially existential catastrophe such as nuclear warfare, pandemic, extraterrestrial attack, impact event, cybernetic revolt, technological singularity, dysgenics, supernatural phenomena, divine judgment, climate change, resource depletion or some other general disaster.

  8. Wireless device radiation and health - Wikipedia

    en.wikipedia.org/wiki/Wireless_device_radiation...

    Since at least the 1990s, scientists have researched whether the now-ubiquitous radiation associated with mobile phone antennas or cell phone towers is affecting human health. [1] Mobile phone networks use various bands of RF radiation, some of which overlap with the microwave range. Other digital wireless systems, such as data communication ...

  9. Phantom vibration syndrome - Wikipedia

    en.wikipedia.org/wiki/Phantom_vibration_syndrome

    Phantom vibration syndrome or phantom ringing syndrome is the perception that one's mobile phone is vibrating or ringing when it is not. Other terms for this concept include ringxiety (a portmanteau of ring and anxiety), fauxcellarm (a portmanteau of "faux" /fo͜ʊ/ meaning "fake" or "false" and "cellphone" and "alarm" pronounced similarly to "false alarm") and phonetom (a portmanteau of phone ...