News tagged with negative refraction

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Computer scientists develop technique to improve helpfulness of user-generated online reviews

Technology / Computer Sciences

Dec 18, 2009 | not rated yet | 0

(PhysOrg.com) -- Irish computer scientists have developed a system to improve the helpfulness of online customer reviews. In recognition of the quality of their work, the group received a distinguished paper award at the ...

Panasonic Starts Mass-Production of High-Capacity 3.1 Ah Lithium-ion Battery

Technology / Energy

Dec 18, 2009 | 1 / 5 (1) | 2

Panasonic Corporation developed a 18650-type high-capacity 3.1 Ah lithium-ion battery and began mass production of the battery this December. The new 3.1 Ah battery has a nickel positive electrode and an energy density of ...

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