18/05/2009

Craigslist CEO asks SC AG to apologize for threat

(AP) -- The CEO of Craigslist is asking South Carolina's attorney general to apologize for threatening to prosecute the company if any advertisements on the Web site lead to a prostitution case.

How Solid Is Concrete's Carbon Footprint?

(PhysOrg.com) -- Many scientists currently think at least 5 percent of humanity's carbon footprint comes from the concrete industry, both from energy use and the carbon dioxide (CO2) byproduct from the production of cement, ...

Synthetic catalyst mimics nature's 'hydrogen economy'

By creating a model of the active site found in a naturally occurring enzyme, chemists at the University of Illinois have described a catalyst that acts like nature's most pervasive hydrogen processor.

KIDO'Z: Internet for Kids

(PhysOrg.com) -- When my son first started going to pre-school, I was surprised by the fact that there was a computer in the classroom. Aren't 3-year-olds a little young for this? However, the computer wasn't connected to ...

Is random lasing possible with a cold atom cloud?

(PhysOrg.com) -- Random lasing, Robin Kaiser tells PhysOrg.com, is like standard lasing, with a little bit of a twist: “You don’t know the direction the photons will go, as you do with a more standard laser. This is because ...

Major breakthrough in lithium battery technology reported

An NSERC-funded lab at the University Of Waterloo has laid the groundwork for a lithium battery that can store and deliver more than three times the power of conventional lithium ion batteries.

page 4 from 5