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Cyber attacks may not be a new phenomenon but the recent successes scored against high-profile targets including CitiGroup , Google , RSA and government contractors such as Lockheed Martin underscore the targets' current failure to block security threats enabled by the Internet. Malicious hackers use the very same technology that enables online banking, entertainment and myriad other communication services to attack these very applications, steal user data, and then cover their own tracks. [More]

(PhysOrg.com) -- For some years now, NASA has been using what are called thermoelectric materials to power its space probes. The probes travel such great distances from our sun that solar panels are no longer an efficient source of power