Archive for July, 2007

Using Engineering to Photograph Lightning

Friday, July 27th, 2007

How can you get a photo of lightning without predicting when it will occur? This engineering solution automatically triggers your camera to take a picture when a lightning strike (or fireworks) appears and allows you to capture a picture of that strike. Lightning Activated Camera Shutter Trigger:
In a nutshell, the photo darlington converts [...]

Engineering with People in Mind

Friday, July 20th, 2007

Change Management: Combining Management with Ancient Philosophy:
The Delhi Metro Rail Corporation (DMRC) is one of the rare Indian government undertakings that are completed on schedule and within budget.

DMRC’s uniqueness lies in how it has managed “soft issues” related to the general public affected by it. To ease out traffic snarls and general chaos around construction [...]

Unraveling the Physics of DNA’s Double Helix

Thursday, July 12th, 2007

Unraveling the Physics of DNA’s Double Helix:
Researchers at Duke University’s Pratt School of Engineering have uncovered a missing link in scientists’ understanding of the physical forces that give DNA its famous double helix shape.
“The stability of DNA is so fundamental to life that it’s important to understand all factors,” said Piotr Marszalek, a professor of [...]

Engineering Fly Ash Bricks

Thursday, July 5th, 2007

Follow the “Green” Brick Road?
Each year, roughly 25 million tons of fly ash from coal-fired power plants are recycled, generally as additives in building materials such as concrete, but 45 million tons go to waste. Fly ash bricks both find a use for some of that waste and counter the environmental impact from the manufacture [...]