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'Fluid cloak' to help submarines leave no wake

Technology

'Fluid cloak' to help submarines leave no wake

Super-stealthy submarines may one day leave water undisturbed, if a plan to channel fluid intelligently around objects can be made to work

News

Haptic soldiers guided by buzzing belt

Technology

Haptic soldiers guided by buzzing belt

News

US fighting machine going green

US fighting machine going green

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Naval sonar drives whales from feeding grounds

Earth

Naval sonar drives whales from feeding grounds

News

CT scans help recreate sniper attack

Technology

CT scans help recreate sniper attack

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Surveillance robots know when to hide

Technology

Surveillance robots know when to hide

News

Army wants rapid-fire rubber bullets for crowd control

Technology

Army wants rapid-fire rubber bullets for crowd control

News

Sniffer mice have a nose for explosives

Technology

Sniffer mice have a nose for explosives

News

Getting medieval: The first firefights

Technology

Getting medieval: The first firefights

Features

Earth

Drone has Arctic seals in its sights

Animal tracking in the icy Arctic is dangerous and uncomfortable work. A retooled ex-military aircraft has taken on the task instead

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Technology

WikiLeaks wars: Digital conflict spills into real life

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Technology

North Korea could make two nuclear bombs per year

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Technology

Intruders beware: armed robots on patrol

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Technology

Tritium shortage threatens US nuclear disarmament goal

News