How to explore inaccessible places by swarms of sensors

Since the dawn of humankind, exploration of certain places, ranging from the depths of the oceans to the edges of the universe, has led to numerous discoveries. However, there are also several environments that need to be ...

Powering nanotechnology with the world's smallest engine

In the minuscule world of nanotechnology, big steps are rare. But a recent development has the potential to massively improve our lives: an engine measuring 200 billionths of a metre, which could power tiny robots to fight ...

Toward nanorobots that swim through blood to deliver drugs

Someday, treating patients with nanorobots could become standard practice to deliver medicine specifically to parts of the body affected by disease. But merely injecting drug-loaded nanoparticles might not always be enough ...

Robots acquire 'softness' and flexibility

Increasingly small robots that carry out their functions even inside the human body. No, this isn't a sci-fi dream but a close possibility. On one condition: the miniaturization of these devices requires them to acquire the ...

Afghan warfare gets wired in quest to spare lives

(AP) -- Sgt. 1st Class Gregory Henson goes out on patrol with a computer on his back and a joystick in his holster. He also carries a rifle, but the military is hoping he'll soon have less need for it.

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