sun protection

Sunshine radiation, heat sun block – windows, screens, chemicals shade – natural – trees. building, materials Vitamin D production sun … More

Summer of Code

To some of us, writing computer programs is a fascinating game. A program is a building of thought. It is … More

parallel processing algorithms and software – programs that can be divided into little pieces so that each piece can be … More

That’s engineering Design and build the tools you need to survive being shipwrecked on a deserted island. Do you have … More

Pictured: The foyer of the Opera Theatre in the eastern wing of the Sydney Opera House, showing the internal structure … More

Most engineers are great storytellers. Having the number that is the “best answer” isn’t enough. Most engineers need to tell … More

City streets Human factors Traffic signal lights need to warn as many people as possible. Many people, particularly men are … More

Submarine – a vessel that goes under water. Most large submarines are war vessels. Some small ones are used for … More

reflection color pigment surface layers fruit Brightest Thing in Nature: African Fruit Pollia Condensata – Biologists have discovered that the … More

Stonehenge – a prehistoric monument located in the English county of Wiltshire, near Salisbury. One of the most famous prehistoric … More

Stethoscope – a medical device for listening to the internal sounds of an animal or human body. It is often … More

steam engine – a heat engine that performs mechanical work using steam as its working fluid. Steam engines are external … More

Stop motion animation is a film making technique that makes inanimate objects appear to move on their own. Think Gumby … More

Statics is concerned with the analysis of loads (force and torque, or “moment”) on physical systems in static equilibrium – … More

Star fort – fortification layout specifically designed to resist attack by cannon. The structure is composed of many triangular bastions, … More