2400 BC: Abacus, the first known calculator

300 BC: Binary number system

724: First fully mechanical clock

800's: Gunpowder

852: Parachute

1041: Movable type printing press

1280: Eyeglasses

1350: Suspension bridges

1450: Alphabetical moving type printing press

1500: Leonardo Da Vinci's flying machines

1510: Pocket watch

1576: Ironclad warship

1581: Pendulum

1609: Microscope

16422: Adding machine

1643: Barometer

1645: Vacuum pump

1652: Pendulum clock

1649: Pressure cooker

1671: Calculus

1700: Piano

1826: Photography

1830: Lawn mower

1834: Refrigerator 

1835: Morse Code

1843: Typewriter

1846: Sewing machine

1849: Safety pin

1866: Dynamite

1877: Phonograph

1891: Zipper

1893: Wireless communication

1898: Remote control

1901: Vacuum cleaner

1907: Color photography and helicopter

1923: Sound film

1946: Microwave oven

1953: Videocassette recorder

1960: Laser

1963: Computer mouse

1967: ATM

1968: Video game console

1971: E-mail, Floppy Disk, and pocket calculator

1973: Ethernet and personal computer (PC)

1983: Camcorder

1990: World Wide Web (www)