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Lava lamps An original Mathmos Astro lava lamp. A lava lamp is a decorative lamp, 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 Mathmos lava lamp formula developed initially by Craven Walker in the 1960s and then improved with his help in the 1990s is still used. Mathmos celebrated its 50th anniversary in 2013. [ 7 ] [ 8 ]
Lavarand, also known as the Wall of Entropy, is a hardware random number generator designed by Silicon Graphics that worked by taking pictures of the patterns made by the floating material in lava lamps, extracting random data from the pictures, and using the result to seed a pseudorandom number generator. [1]
Lava Lamp. You'll be the talk of the party with this 90's-inspired lava lamp costume. Although it looks professionally made, you can recreate this costume with some dye, spray paint, velcro strips ...
In that scenario, the colliding material was regarded as a strengthless fluid, meaning Pluto and Charon would have resembled two swirling, bending blobs, like in a lava lamp, Denton said.
A 50-hour-life projection bulb, for instance, is designed to operate only 50 °C (122 °F) below that melting point. Such a lamp may achieve up to 22 lumens per watt, compared with 17.5 for a 750-hour general service lamp. [76] Lamps of the same power rating but designed for different voltages have different luminous efficacy.