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One form of warning sign for high-voltage electricity uses a lightning bolt inside a circle, and this was repurposed by Marilyn Manson as an insignia for his album Antichrist Superstar. [11] German automobile manufacturer Opel uses a horizontal lightning bolt and circle in black and white as its logo. In most cases, there is no evidence to ...
He turned to a colleague, APC engineer Dan Clinton, to create the first drawings of Reddy Kilowatt, an “electrical servant” with lightning bolt arms and legs, wearing safety gloves and shoes. He added a friendly face with a light bulb nose and wall outlets for ears. [3] APC copyrighted the character on March 6, 1926.
This footage from the ISS shows a red sprite over East Asia immediately before 0:07, directly above the large lightning flash towards the upper right of the frame. In order to film sprites from Earth, special conditions must be present: 150–500 km (93–311 mi) of clear view to a powerful thunderstorm with positive lightning between cloud and ...
On April 25, 2017, Tenor introduced an app that makes GIFs available in MacBook Pro's Touch Bar. [10] [11] Users can scroll through GIFs and tap to copy it to the clipboard. [12] On September 7, 2017, Tenor announced an SDK for Unity and Apple's ARKit. It allows developers to integrate GIFs into augmented reality apps and games. [13] [14] [15] [7]
Positive lightning is less common than negative lightning and on average makes up less than 5% of all lightning strikes. [10] A bolt from the blue lightning strike which appears to initiate from the clear, but [clarification needed] the turbulent sky above the anvil cloud and drive a bolt of plasma through the cloud directly to the ground. They ...
GIF was one of the first two image formats commonly used on Web sites, the other being the black-and-white XBM. [5] In September 1995 Netscape Navigator 2.0 added the ability for animated GIFs to loop. While GIF was developed by CompuServe, it used the Lempel–Ziv–Welch (LZW) lossless data compression algorithm patented by Unisys in 1985.
Material properties (size, color, texture) of fulgurites vary widely, depending on the size of the lightning bolt and the composition and moisture content of the surface struck by lightning. Most natural fulgurites fall on a spectrum from white to black. Iron is a common impurity that can result in a deep brownish-green coloration.
A lightning strike or lightning bolt is a lightning event in which an electric discharge takes place between the atmosphere and the ground. Most originate in a cumulonimbus cloud and terminate on the ground, called cloud-to-ground (CG) lightning. A less common type of strike, ground-to-cloud (GC) lightning, is upward-propagating lightning ...