Feature Stories, Weblog & Reports

Hybrid Cars -- Pros and Cons

If you listen to the makers, hybrid cars are the best invention since sliced bread. While there are many reasons to buy a hybrid car, including a new tax incentive for US owners, it helps to have a good understanding ...

dateJan 19, 2006 in Energy & Green Tech feature
shares7 comments 1

New Pattern Found in Prime Numbers

(PhysOrg.com) -- Prime numbers have intrigued curious thinkers for centuries. On one hand, prime numbers seem to be randomly distributed among the natural numbers with no other law than that of chance. But ...

dateMay 08, 2009 in Mathematics feature
shares0 comments 41