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  2. Health threat from cosmic rays - Wikipedia

    en.wikipedia.org/wiki/Health_threat_from_cosmic_rays

    Health threats from cosmic rays are the dangers posed by cosmic rays to astronauts on interplanetary missions or any missions that venture through the Van-Allen Belts or outside the Earth's magnetosphere. [ 1][ 2] They are one of the greatest barriers standing in the way of plans for interplanetary travel by crewed spacecraft, [ 3][ 4][ 5] but ...

  3. Cosmic ray visual phenomena - Wikipedia

    en.wikipedia.org/wiki/Cosmic_ray_visual_phenomena

    Cosmic ray visual phenomena, or light flashes ( LF ), also known as Astronaut's Eye, are spontaneous flashes of light visually perceived by some astronauts outside the magnetosphere of the Earth, such as during the Apollo program. While LF may be the result of actual photons of visible light being sensed by the retina, [1] the LF discussed here ...

  4. Computer vision syndrome - Wikipedia

    en.wikipedia.org/wiki/Computer_vision_syndrome

    Computer vision syndrome. Computer vision syndrome ( CVS) is a condition resulting from focusing the eyes on a computer or other display device for protracted, uninterrupted periods of time and the eye's muscles being unable to recover from the constant tension required to maintain focus on a close object.

  5. Does staring at screens ruin your eyes? - AOL

    www.aol.com/article/2014/02/27/does-staring-at...

    We've all grown up thinking that sitting too close to the television is damaging to our eyes ... but that might not be the case. Technology spawns lots of confusion ... and a few affectionately ...

  6. 120 twisted jokes for dark humor fans - AOL

    www.aol.com/news/120-twisted-jokes-dark-humor...

    Wife: “I’m pregnant.”. Husband: “Hi pregnant, I’m dad.”. Wife: “No, you’re not.”. My marriage counselor asked if it was true that I generally wake up grumpy in the morning. I ...

  7. Closed-eye hallucination - Wikipedia

    en.wikipedia.org/wiki/Closed-eye_hallucination

    This can be seen when the eyes are closed and looking at the back of the eyelids. In a bright room, a dark red can be seen, owing to a small amount of light penetrating the eyelids and taking on the color of the blood it has passed through. In a dark room, blackness can be seen or the object can be more colourful.

  8. The dangers of LED face masks you should know about - AOL

    www.aol.com/lifestyle/dangers-led-face-masks...

    The dangers of LED face masks you should know about. The latest recall in the beauty world just happens to involve one of the biggest at-home trends for skincare junkies and one of the leading ...

  9. Shadow person - Wikipedia

    en.wikipedia.org/wiki/Shadow_person

    The Coast to Coast AM late night radio talk show helped popularize modern beliefs in shadow people. [3] The first time the topic of shadow people was discussed at length on the show was April 12, 2001, when host Art Bell interviewed a man purporting to be a Native American elder, Thunder Strikes, who is also known as Harley "SwiftDeer" Reagan ...

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