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After Dark is a series of computer screensaver software introduced by Berkeley Systems in 1989 for the Apple Macintosh, and in 1991 for Microsoft Windows. [3] [4]Following the original, additional editions included More After Dark, Before Dark, and editions themed around licensed properties such as Star Trek, The Simpsons, Looney Tunes, Marvel, and Disney characters.
Twinkle bulb. A twinkle bulb is a special type of light bulb which blinks on and off for decorative effect. They are most commonly used on Christmas lights and other string lights, but can also be used for other ornamental purposes like electric jack-o-lanterns for Halloween and replica traffic lights .
Twinkle, twinkle, little star, How we wonder what you are. Up above the world so high, Like a diamond in the sky. When the glorious sun has set, And the grass with dew is wet, Then you show your little light, Twinkle, twinkle, all the night. When the golden sun doth rise, Fills with shining light the skies, Then you fade away from sight,
$30 at Amazon. With more than 8,800 five-star reviews and an overall Amazon rating of 4.5 stars, these LED curtain lights drape down at 9.5 feet by 19.6 feet.
The search for extraterrestrial intelligence ( SETI) is a collective term for scientific searches for intelligent extraterrestrial life, for example, monitoring electromagnetic radiation for signs of transmissions from civilizations on other planets. [ 1][ 2][ 3] Scientific investigation began shortly after the advent of radio in the early ...
Holiday lighting technology. A variety of sizes, shapes and colours can be seen among these lights. Holiday lighting technology has been subject to considerable development and variation since the replacement of candles by electric lights. [citation needed] While originally used during the Christmas holidays as Christmas lights, modern electric ...
Twinkling, also called scintillation, is a generic term for variations in apparent brightness, colour, or position of a distant luminous object viewed through a medium. [ 1] If the object lies outside the Earth's atmosphere, as in the case of stars and planets, the phenomenon is termed astronomical scintillation; for objects within the ...
Screensaver. Einstein@Home interactive screensaver. A screensaver (or screen saver) is a computer program that blanks the display screen or fills it with moving images or patterns when the computer has been idle for a designated time. The original purpose of screensavers was to prevent phosphor burn-in on CRT or plasma computer monitors (hence ...