Heat shield – designed to shield a substance from absorbing excessive heat from an outside source by either dissipating, reflecting … More

Helium balloons – helium is lighter than air at ambient temperature, and that explains why helium balloons rise when they … More

Man has be fascinated by flight and over hundreds of years worked to achieve it. Balloons Airships Hindenberg – May … More

Health – a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity. … More

Hearing Aid – In 1898, American engineer Miller Reese Hutchinson patented the world’s first battery-powered hearing aid. Today’s models are … More

Diseases of the heart and circulatory system are a leading cause of death in the U.S. and a leading area … More

When you bike, board, or play ball, you wear a helmet. But do you know how helmets work? ‘Smart’ football … More

garden variety Greenhouses convert solar light to heat, enabling year-round production and the growth (in enclosed environments) of specialty crops … More

Gunpowder, 10th century – Outsourced killing to a machine |firearm – a portable gun, being a barreled weapon that launches … More

Engineering is about problem solving. Many of life’s little problems can be solved by an engineer with the right tools. … More

Gyroscope – The device is a spinning wheel on an axle. The device, once spinning, tends to resist changes to … More