What Is a Bunsen Burner?
What Is a Bunsen Burner? A Bunsen burner is a gas burner consisting of a tube with a small gas jet at the lower end and adjustable air inlet by means of which the heat...
Read MoreWhat Is a Bunsen Burner? A Bunsen burner is a gas burner consisting of a tube with a small gas jet at the lower end and adjustable air inlet by means of which the heat...
Read MoreHow Are Copper Pipes Made? Copper pipes are made by pushing a long cylinder of the metal, called a billet, through a machine that has a rod in the centre of a hollow...
Read MoreWhen Was the Stethoscope Invented? The stethoscope was invented by a French doctor, René Théophile Hyacinthe Laënnec, in 1816. It consisted of a wooden tube and was...
Read MoreWhen Was the Iron Lung Invented? In 1670, English scientist John Mayow came up with the idea of external negative pressure ventilation. Mayow built a model consisting...
Read MoreHow Does a Rain Gauge Work? There are many kinds of rain gauges. A standard design consists of a wide funnel at the top that feeds into a narrow tube, where the...
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