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  2. Light Up (puzzle) - Wikipedia

    en.wikipedia.org/wiki/Light_Up_(puzzle)

    The fact that the puzzle has a unique solution allows for additional deductions. For example, there may be a long area on a border, with multiple black squares one space away. Placing the light by any of them will light up the exact same squares. Since there is exactly one solution, a bulb in any of them would be a contradiction.

  3. Prism: Light the Way - Wikipedia

    en.wikipedia.org/wiki/Prism:_Light_the_way

    The various Gluons are there to aid you in redirecting the light from the Bulboids into the Glowbos positioned in various places on each puzzle: Mirrors: Redirect the light to the Glowbos. Note: Both sides of the mirror can reflect the light. T-Splitters: Splits light into two separate beams. Faces all four directions and cannot be rotated.

  4. Fast inverse square root - Wikipedia

    en.wikipedia.org/wiki/Fast_inverse_square_root

    Lighting and reflection calculations, as in the video game OpenArena, use the fast inverse square root code to compute angles of incidence and reflection.. Fast inverse square root, sometimes referred to as Fast InvSqrt() or by the hexadecimal constant 0x5F3759DF, is an algorithm that estimates , the reciprocal (or multiplicative inverse) of the square root of a 32-bit floating-point number in ...

  5. What's The Saying? cheats, tips and answers guide - AOL

    www.aol.com/news/2013-05-24-whats-the-saying...

    What's The Saying is a fun and challenging game that will put your brain to work. The object of the game is to match a common phrase with an accompanying coded image. These will test even the most ...

  6. Retroreflector - Wikipedia

    en.wikipedia.org/wiki/Retroreflector

    This works at a wide range of angle of incidence, unlike a planar mirror, which does this only if the mirror is exactly perpendicular to the wave front, having a zero angle of incidence. Being directed, the retroflector's reflection is brighter than that of a diffuse reflector. Corner reflectors and cat's eye reflectors are the most used kinds.

  7. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. Logic games - Wikipedia

    en.wikipedia.org/wiki/Logic_games

    A logic games section contained four 5-8 question "games", totaling 22-25 questions. Each game contained a scenario and a set of rules that govern the scenario, followed by questions that tested the test-taker's ability to understand and apply the rules, to draw inferences based on them.

  9. Specular reflection - Wikipedia

    en.wikipedia.org/wiki/Specular_reflection

    Specular reflection, or regular reflection, is the mirror-like reflection of waves, such as light, from a surface. [ 1 ] The law of reflection states that a reflected ray of light emerges from the reflecting surface at the same angle to the surface normal as the incident ray, but on the opposing side of the surface normal in the plane formed by ...