Table of Inventions

	INVENTION	INVENTOR	YEAR	PLACE	DESCRIPTION
1	Wheel	Ancient people of Mesopotamia	4th millennium BC	Mesopotamia	A circular component that is intended to rotate on an axle. The wheel is one of the main components of the wheel and axle which is one of the six simple machines. Wheels are also used for other purposes, such as a ship's wheel, steering wheel and flywheel.
2	Compass	Ancient Chinese	Han Dynasty (2nd century BC to 1st century AD)	China	A navigational instrument that measures directions in a frame of reference that is stationary relative to the surface of the earth.
3	Camera	Ancient Chinese and Ancient Greeks	1000 AD	China	Photographic cameras were a development of the camera obscura, which uses a pinhole or lens to project an image of the scene outside upside-down onto a viewing surface.
4	Flushing Toilet	Sir John Harrington	1596	England	First engineered and invented a valve that could release water from the water closet (WC) when pulled.
5	Coin-operated Vending Machines	Richard Carlisle	1880s	London, England	The first commercial coin-operated vending machines dispensed post cards. Carlisle later invented a vending machine for selling books.
6	Stethoscope	R.T.H. Laënnec	1816	France	An acoustic medical device for auscultation, or listening to the internal sounds of lung and heart
7	Wrist watch	Patek Philippe	1851	Switzerland	It is a small portable clock worn on the wrist that displays the current time and sometimes the current day, date, month and year.
8	Dynamite	Alfred Nobel	1867	England	The first safely manageable explosive stronger than black powder.
9	Telephone	Alexander Graham Bell	1876	United States	The “electrical speech machine”, which we now call a telephone, paved the way for the Information Superhighway.
10	Solar cell	Charles Fritts	1883	America	A solar cell is any device that directly converts the energy in light into electrical energy through the process of photovoltaics. The development of solar cell technology begins with the 1839 research of French physicist Antoine-César Becquerel.
11	Automated Teller Machine	Luther George Simjian	1930	USA	It is a computerized telecommunications device that provides the clients to financial transactions in a public space without the need for a cashier, human clerk or bank teller.
12	Microwave Oven	Dr. Percy Spencer	1947	United States	Radarange, now called microwave oven, is a kitchen appliance that heats food by dielectric heating. Accomplished with radiation to heat polarized molecules in food.