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
News
Technology
WikiLeaks wars: Digital conflict spills into real life
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Physics
North Korea could make two nuclear bombs per year
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Technology
Intruders beware: armed robots on patrol
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Physics
Tritium shortage threatens US nuclear disarmament goal
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Technology
US navy seeks ‘safer’ bomb
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Space
Two Chinese satellites rendezvous in orbit
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Technology
Navy laser roasts incoming drones in mid-air
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Technology
Reconstructed: Archimedes’s flaming steam cannon
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Technology
Warning sounded over British dogfighting drone
The UK government has entered the uncrewed autonomous vehicle market 鈥� and faces questions from concerned experts
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Space
Star wars: a new hope for arms control in space
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Technology
Trains, planes and ships: smuggling nukes into the US
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Technology
From sea to sky: Submarines that fly
Features
Technology
Radiation-soaking metamaterial puts black in the shade
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