What Do You Mean by the Term Email?
What Do You Mean by the Term Email? Email or e-mail means electronic mail. Same as a letter exchanged in a different way. Computers use the TCP/IP protocol suite to...
Read More
How Do Drink-vending Machines Work?
How Do Drink-vending Machines Work? Drink-Vending Machines are operated electronically when coins are inserted and a button pressed to select the beverage required....
Read More
How Are Copper Pipes Made?
How 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 More
How Is Mail Sorted?
How Is Mail Sorted? At large Post Office sorting offices the mail is separated mechanically by a letter segregator. Thick packets and envelopes are flipped down a chute...
Read More
Where Was the Wheel Invented?
Where Was the Wheel Invented? The earliest wheels so far discovered were found in graves at Kish and Susa, two ancient Mesopotamian cities. These wheels are believed to...
Read More
When Will Halley’s Comet next Appear?
When Will Halley’s Comet next Appear? Halley’s Comet appeared in 1910, then in 1986 and will next appear in mid-2061, during that most recent visit, five...
Read More
When Was the First Television Broadcast?
When Was the First Television Broadcast? The first public television demonstration or broadcast was given by the British inventor John Logie Baird (1888-1946) in 1926...
Read More
When Does a Firestorm Occur?
When Does a Firestorm Occur? A firestorm occurs when flames from a large number of individual fires merge into a single convective, or circulatory, column. This...
Read More
Who Built the First Rideable Bicycle?
Who Built the First Rideable Bicycle? There are several early but unverified claims for the invention of the bicycle. The earliest comes from a sketch said to be from...
Read More
Why Is DDT Dangerous?
Why Is DDT Dangerous? After extensive use as a pesticide, DDT was found to have many harmful after-effects on human beings and animals. The control of insects was...
Read More