-
Jan 1, 1000
the first abacus
Use of the abacus, with its beads in a rack, was first documented in Han Dynasty China in about AD190, but the word dates to much earlier calculating devices. "Abacus" derives from the Hebrew ibeq, meaning to " wipe the dust" or from the Greek abax, meaning "board covered with dust", which describes the first devices used by the Babylonians. The Chinese version was the speediest way to do sums for centuries and, in the right hands, can still outpace electronic calculators. -
the battery that changed the world
A battery, which is actually an electric cell, is a device that produces electricity from a chemical reaction. In a one cell battery, you would find a negative electrode; an electrolyte, which conducts ions; a separator, also an ion conductor; and a positive electrode. -
the eraser
Strange, perhaps, that it took 200 years after the invention of the lead pencil for somebody to dream up the eraser. Until then, draughtsman had to use bread, but the English engineer Edward Naine saw potential in natural rubber to do a better job. It did, but, like bread, was perishable. The advent of more durable vulcanised rubber in 1839 (a method pioneered by the tyre tycoon Charles Goodyear) sealed the future of the eraser. Hymen Lipman conceived the all-in-one pencil eraser in 1858. -
a clock that changed history
The clock is one of the oldest human inventions, meeting the need to consistently measure intervals of time shorter than the natural units: the day; the lunar month; and the year. Devices operating on several different physical processes have been used over the millennia, culminating in the clocks of today. -
the altair
The MITS Altair 8800 was a microcomputer design from 1975 based on the Intel 8080 CPU. Interest grew quickly after it was featured on the cover of the January, 1975, issue of Popular Electronics, and was sold by mail order through advertisements there, in Radio-Electronics and other hobbyist magazines. The designers hoped to sell a few hundred build-it-yourself kits to hobbyists, and were surprised when they sold thousands in the first month.[1] The Altair also appealed to individuals and busine -
the first camera
The British polymath William Talbot, inventor of one of the earliest cameras (Joseph Nicéphore Niépce had produced the earliest surviving photograph on a pewter plate in 1826), was inspired by his inability to draw. He described one of his sketches as "melancholy to behold", wishing for a way to fix on paper the fleeting photographic images that had been observed for centuries using camera obscura. His early developing techniques in the late 1830s set the standard for decades – he invented the n -
the first camcorder
It wasn't long ago that capturing moving images required a crew of grubby-handed technicians, yards of magnetic tape and a camera the size of a garden shed. These days, anyone can call themselves a film-maker. Sony was the first to produce a consumer camcorder with the release of its Betamovie in 1983. -
the lighbulb hs been invented
So new-fangled was the light bulb in the 19th century, it came with a warning: "This room is equipped with Edison Electric Light. Do not attempt to light with match. Simply turn key on wall by the door. The use of electricity for lighting is in no way detrimental to health, nor does it effect the soundness of sleep." Joseph Swan in fact developed a bulb before Edison, but the pair later joined forces and share credit for creating the gadget we perhaps take for granted more than any other -
the first T.V.
The history of television records the work of numerous engineers and inventors in several countries over many decades. The fundamental principles of television were initially developed using electromechanical methods to scan, transmit and reproduce an image. As electronic camera and display tubes were perfected, electromechanical television gave way to all-electronic broadcast television systems in nearly all applications. -
an electric calculcator
An electronic calculator is a small, portable, often inexpensive electronic device used to perform both basic and complex operations of arithmetic. Modern calculators are more portable than most computers, though most PDAs or mobile phones are comparable in size to handheld calculators and may soon replace them. -
when the first phone came out
life without a phone woldn't be that great because how would you get in contact with one another. you would have to ride back and forth on horses to get in contact. now you can just dial a number and it will call their phone and that way it will be easier instead of going back and forth -
how the internet started
The internet is impotant to everybody the internet is so amazing and the internet was started by the military and the they called it ARPnet for the military.
