January 2011
7 posts
5 tags
'Green Asphalt' Layers Cool Surface On School Lot →
What’s light green, sprayed on top of asphalt, and lowers the temperature of parking lots by 30 degrees? If you went to school at Robert L. Duffy school in Phoenix, you’d know the answer.
Late last month, the charter school became the testing ground for “green asphalt,” a concrete-based reflective covering designed to make asphalt surfaces cooler and more durable.
Akin's Laws of Spacecraft Design →
scipsy:
1. Engineering is done with numbers. Analysis without numbers is only an opinion.
2. To design a spacecraft right takes an infinite amount of effort. This is why it’s a good idea to design them to operate when some things are wrong .
3. Design is an iterative process. The necessary number of iterations is one more than the number you have currently done. This is true at any point in...
Choosing an Engineering Major →
fuckyeahengineers:
Chemical engineering majors learn how to use chemical reactions in beneficial ways. They create products that solve hassles for consumers and industry. They also study ways of working with chemicals to minimize danger to consumers and damage to the environment.
Mechanical engineering majors learn how to use the principles of physics to create machines that improve people’s...
4 tags
Harvesting energy: body heat to warm buildings →
About 250,000 people pass through Stockholm’s Central Station each day
Body heat is not an energy source that normally springs to mind when companies want to keep down soaring energy costs.
But it did spring to the mind of one Swedish company, which decided the warmth that everybody generates naturally was in fact a resource that was going to waste.
Jernhusen, a real estate company in...
