Search results
Results from the WOW.Com Content Network
The "Pharaoh's snake" or "Pharaoh's serpent" is the original version of the black snake experiment. It produces a more impressive snake, but its execution depends upon mercury (II) thiocyanate, which is no longer in common use due to its toxicity. [1] For a "sugar snake", sodium bicarbonate and sugar are the commonly used chemicals. [2]
A column of porous black graphite formed during the experiment. Carbon snake experiment. The carbon snake is a demonstration of the dehydration reaction of sugar by concentrated sulfuric acid. With concentrated sulfuric acid, granulated table sugar performs a degradation reaction which changes its form to a black solid-liquid mixture. [1]
Main page; Contents; Current events; Random article; About Wikipedia; Contact us
Black snake (firework), a type of firework; Governor Blacksnake (1760–1859), a Seneca chief also known as Chainbreaker; Black Snake (Shawnee), a leader in the defeat of Colonel William Crawford's army during the Crawford expedition of 1782; Black Snake, made in 1973 and directed by Russ Meyer; Black Snake, Kentucky
Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate; Pages for logged out editors learn more
Doctor Redi. The son of Gregorio Redi and Cecilia de Ghinci, Francesco Redi was born in Arezzo on 18 February 1626. His father was a renowned physician at Florence.After schooling with the Jesuits, Francesco Redi attended the University of Pisa from where he obtained his doctoral degrees in medicine and philosophy in 1647, at the age of 21. [4]
"Behavioral sink" is a term invented by ethologist John B. Calhoun to describe a collapse in behavior that can result from overpopulation.The term and concept derive from a series of over-population experiments Calhoun conducted on Norway rats between 1958 and 1962. [1]
A soda geyser is a physical reaction between a carbonated beverage, usually Diet Coke, and Mentos mints that causes the beverage to be expelled from its container. The candies catalyze the release of gas from the beverage, which creates an eruption that pushes most of the liquid up and out of the bottle.