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  2. Block Elements - Wikipedia

    en.wikipedia.org/wiki/Block_Elements

    The glyphs in Block Elements each share the same character width in most supported fonts, allowing them to be used graphically in row and column arrangements. However, the block does not contain a space character of its own and ASCII space may or may not render at the same width as Block Elements glyphs, as those characters are intended to be ...

  3. Laser designator - Wikipedia

    en.wikipedia.org/wiki/Laser_designator

    A laser designator is a laser light source which is used to designate a target.Laser designators provide targeting for laser-guided bombs, missiles, or precision artillery munitions, such as the Paveway series of bombs, AGM-114 Hellfire, or the M712 Copperhead round, respectively.

  4. List of Unicode characters - Wikipedia

    en.wikipedia.org/wiki/List_of_Unicode_characters

    HTML and XML provide ways to reference Unicode characters when the characters themselves either cannot or should not be used. A numeric character reference refers to a character by its Universal Character Set/Unicode code point, and a character entity reference refers to a character by a predefined name.

  5. Free-space optical communication - Wikipedia

    en.wikipedia.org/wiki/Free-space_optical...

    Free-space optical communication (FSO) is an optical communication technology that uses light propagating in free space to wirelessly transmit data for telecommunications or computer networking. "Free space" means air, outer space, vacuum, or something similar. This contrasts with using solids such as optical fiber cable.

  6. Video Encoded Invisible Light - Wikipedia

    en.wikipedia.org/wiki/Video_Encoded_Invisible_Light

    Video Encoded Invisible Light (VEIL) is a technology for encoding low-bandwidth digital data bitstream in video signal, developed by VEIL Interactive Technologies. VEIL is compatible with multiple formats of video signals, including PAL , SECAM , and NTSC .

  7. How Telescopes Light Up the Invisible Parts of Our Universe ...

    www.aol.com/telescopes-light-invisible-parts...

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  8. Projection keyboard - Wikipedia

    en.wikipedia.org/wiki/Projection_keyboard

    Some devices project a second (invisible infrared) beam above the virtual keyboard. The user's finger makes a keystroke on the virtual keyboard. This breaks the infrared beam and reflects light back to the projector. The reflected beam passes through an infrared filter to the camera. The camera photographs the angle of incoming infrared light.

  9. Josh Allen won't be the only athletic and elusive QB when the ...

    www.aol.com/josh-allen-wont-only-athletic...

    “Not only can he hurt you with his arm, he can hurt you with his legs. I think he’s a smart player. I think he’s a poised player. I think you see command, and it’s not too big for him, you ...