Articles Index

Innovations for the Hearing Impaired
No one person invented sign language it evolved world-wide in a natural fashion

Hair Related Innovations
The history of hair styling products - learn who invented dyes blowers or bobby pin.

Hula Hoop
Richard Knerr and Arthur Spud Melin re-invented the round toy called the Hula Hoop.

Famous Inventions : A to Z
Historical details and patents of famous inventions.

History of the Helicopter
Chronicle of the evolution of rotary wing aircraft - helicopter pioneers and inventors profiled.

History of Handbags
The earliest handbags that have been verified historically were small sacks carried by gentlemen containing pomanders.

The History of Hats
The history of wigs and hats - including cowboy hats and exotic hats - origins of milliners.

History of Holography
Scientist Dennis Gabor developed the theory of holography while working to improve the resolution of an electron microscope.

Hydrofoil Boats
Who invented hydrofoil boats?

Death, Money, and the History of the Electric Chair
The electric chair replaced hanging in 1888 - however the commercial rivalry between Thomas Edison and George Westinghouse promoted the use of the electric chair.