A typical incandescent or halogen light powers a tall, frequently tapered glass bottle in a traditional lava lamp. Water with a clear, translucent, or opaque mixture of mineral oil, paraffin wax, and carbon tetrachloride made up a recipe from a 1968 US patent.[3] Page 2, Line 30 Transparent dyes can be used to optionally color the clear water or mineral oil.
Since common wax has a density far lower than that of water, it will always float to the top of the liquid. But carbon tetrachloride, which is nonflammable and miscible with wax, is denser than water and is added to wax to slightly increase its density above water at room temperature. The wax mixture loses density in comparison to the water when heated because itChicago's 1650 Irving Park Road
The lava lamp was invented in 1963 by British businessman Edward Craven Walker, who saw a homemade egg timer bubbling on a burner in a pub. The egg timer was created from a cocktail shaker filled with liquids.[7] Donald Dunnet invented and patented this forerunner (GB patent 703924).[8] British inventor David George Smith was employed by Craven Walker to create the apparatus and the necessary chemical formula. Smith is listed as the inventor of the "Display Device" described in U.S. Patent 3,387,396 that was first submitted, assigned, and issued to Craven-Walker's business in 1965.[3] Crestworth, Craven Walker's business, was situated in Poole, Dorset, in the United Kingdom. He gave the lightbulb the name "Astro" and created versions such the "Astro Mini"
An assortment of lava lamps
An assortment of lava lamps (Dean Hochman, Wikipedia, CC BY 2.0)
Heat and Energy, Physics, Chemistry, and Science
August 21, 2019 4.4
In what way does this fit into my curriculum? Territory or Province
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Looking at lava lamps is a fascinating experience. However, they are also fascinating illustrations of solubility, buoyancy, and heat transmission!
When you hear the word "groovy," what comes to mind? bell-bottom jeans? Roses? How about lava lamps?
The 1960s were a very cool time to be a lava lamp! These days, a lot of individuals still have them at home.
Most lights illuminate a space. Lava lamps are, however, mostly only visually appealing. They contain colored globules of wax floating in a clear
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