TOP 100 SCIENCE SITES
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| Shear Ingenuity: Tweaking the Conductivity of Nanotube Composites NIST: One of the immediate applications of carbon nanotubes (CNT) is as an additive to polymers to create electrically conducting plastics—a relatively low CNT concentration can dramatically change the polymer‘s electrical conductivity by orders of magnitude, from an insulator to a conductor. nanoforum.org |
IBM plans $15 bln stock buyback International Business Machines Corp. (IBM), the world's biggest computer-services company, announced Tuesday its plan to buy back an additional 15 billion U.S. dollars of stock and boosted its annual forecast. The repurchase, which ... english.people.com.cn |
Dual Role: Painkiller may affect brain [Subscriber Only] A class of drugs being developed to block pain could obstruct memory formation as well. sciencenews.org |
Mini-black hole is smallest ever but still strong WASHINGTON (Reuters) - NASA scientists have identified the smallest black hole ever found -- less than four times the mass of our sun and about the size of a large city. feeds.reuters.com |
Letter: Coastal land is only leased from the sea Letter: When it comes to coastal erosion (Waves of destruction, G2, April 17), unlike most other European countries we don't have a solidarity fund to compensate people for such natural disasters guardian.co.uk |