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A lava lamp is a decorative lamp that was invented in 1963 by British entrepreneur Edward Craven Walker, the founder of the lighting company Mathmos. It consists of a bolus of a special coloured wax mixture inside a glass vessel, the remainder of which contains clear or translucent liquid.
The intruding warm ice can melt impure ice, forming a lens-shaped region of melting. [18] [3]: 173 Other proposed methods of producing localized melts include the buildup of stress within strike-slip faults, where friction may be able to generate enough heat to melt ice; and impact events that violently heat the impact site.
Edward Craven Walker (4 July 1918 – 15 August 2000) was a British inventor, [1] who invented the psychedelic Astro lamp, also known as the lava lamp. [ 2 ] [ 3 ] [ 4 ] War record
The heat produced by incandescent light bulbs is frequently seen as a drawback, but it is seen as an advantage in certain applications. For example, automotive applications in cold climates benefit from the radiated heat as it melts potentially visually-obstructive snow and ice on warning lights and signs.
Littoral explosion at Waikupanaha ocean entry at the big island of Hawaii was caused by the lava entering the ocean. A steam explosion is an explosion caused by violent boiling or flashing of water or ice into steam, occurring when water or ice is either superheated, rapidly heated by fine hot debris produced within it, or heated by the interaction of molten metals (as in a fuel–coolant ...
A chemistry professor explains the science that makes salt a cheap and efficient way to lower freezing temperature.
The classical Stefan problem aims to describe the evolution of the boundary between two phases of a material undergoing a phase change, for example the melting of a solid, such as ice to water. This is accomplished by solving heat equations in both regions, subject to given boundary and initial conditions. At the interface between the phases ...
Grant then blew the lava lamp up using a squirt of cold water from a spray bottle to induce thermal shock—and the explosion lodged a piece of glass deep into the ballistics gel dummy planted near the lamp. With the combination of the violent explosion, glass shrapnel in the dummy, explicit warning labels (including a notice not to heat the ...