how we got to now

How we got to now – six innovations include: glass, time, clean, light, sound, and cold. Time (video 5:39) – … More

hovercraft

Hovercraft also known as an air-cushion vehicle or ACV,- a craft capable of traveling over land, water, mud or ice … More

Hubble Telescope

The Hubble Space Telescope, one of the largest and most complex satellites ever built, was the result of over 20 … More

how cars work

How a CAR works – explains how cars work, from the basics, to more technical guides and illustrations on each … More

How do you know that?

engineering everywhere basis for knowing what we know science – tools to facilitate discover, expanding knowledge, understanding – collaboration, leapfrog … More

heating and cooling

HVAC Heating Cooling Air conditioning – invented 1902 – The human body can work efficiently only in a narrow range … More

helicopter

Helicopter – lift and thrust are supplied by rotors. This allows the helicopter to take off and land vertically, to … More

highways

The Interstate Highway System — The Federal-Aid Highway Act of 1956 created 40000 miles of high-speed roads and changed the … More

historic places

The National Register of Historic Places is the United State’s official list of the historic places worthy of preservation. Authorized … More

Hong Kong

Hong Kong is situated on China’s south coast and, enclosed by the Pearl River Delta and South China Sea, it … More

hands-on engineering

What problems do you want to solve? classic engineering-design process – ask, imagine, design, build (plan, create, experiment), improve * … More

heat shield

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

helium-filled balloon

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

history of flight

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

healthcare

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