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  2. Magic eye tube - Wikipedia

    en.wikipedia.org/wiki/Magic_eye_tube

    The magic eye (also called a cat's eye, or tuning eye in North America) is a specific type of such a tube with a circular display similar to the EM34 illustrated. Its first broad application was as a tuning indicator in radio receivers , to give an indication of the relative strength of the received radio signal, to show when a radio station ...

  3. Percy Shaw - Wikipedia

    en.wikipedia.org/wiki/Percy_Shaw

    The retroreflective glass spheres shown set into a cat's eye in the United Kingdom. Shaw was inventive, even at an early age, but his most famous invention was the cat's eye for lighting the way along roads in the dark. There are several stories about how he came up with the idea.

  4. Cat's eye (road) - Wikipedia

    en.wikipedia.org/wiki/Cat's_eye_(road)

    On the edge of the road next to the median strip, a yellow cat's eye is placed every 10 metres (33 ft). On the road shoulders a red shining cat's eye is placed every 10 metres (33 ft). On roadways separated by double yellow lines, a yellow cat's eye is placed inside the double yellow lines every 10 metres (33 ft).

  5. 'Cat eyes' banned: TSA urges passengers to keep weapons ... - AOL

    www.aol.com/cat-eyes-banned-tsa-urges-100759883.html

    "Cat eyes" according to TSA, are weapons designed to look like cats that would fall in a similar category as brass knuckles. 'Cat eyes' banned: TSA urges passengers to keep weapons out of carry ...

  6. Cat Addicted to Chasing a Red Laser Dot Thinks He Finally ...

    www.aol.com/cat-addicted-chasing-red-laser...

    Use a low-wattage light, with a maximum power output of 5 milliwatts. Never shine the light directly into your cat's eyes. Store the laser toy in a secure spot that your cat can't reach.

  7. What are cat eyes? TSA officers detect spike in these self ...

    www.aol.com/news/cat-eyes-tsa-officers-detect...

    Cat eyes are similar to brass knuckles but in the shape of a cat face, with sharp and pointy ears that act like small daggers to stab or gouge. People slip their fingers through the spaces of the ...

  8. Retroreflector - Wikipedia

    en.wikipedia.org/wiki/Retroreflector

    The term cat's eye derives from the resemblance of the cat's eye retroreflector to the optical system that produces the well-known phenomenon of "glowing eyes" or eyeshine in cats and other vertebrates (which are only reflecting light, rather than actually glowing).

  9. Ganzfeld experiment - Wikipedia

    en.wikipedia.org/wiki/Ganzfeld_experiment

    In a typical Ganzfeld experiment, a "receiver" is placed in a room relaxing in a comfortable chair with halved ping-pong balls over the eyes, having a red light shone on them. The receiver also wears a set of headphones through which white or pink noise (static) is played. The receiver is in this state of mild sensory deprivation for half an hour.