Hide and Seek

Defence technology

War among the sensors poses new challenges, says Shashank Joshi

Like smartphones, but lethal

The technology of seeing and shooting your enemies

War among the sensors poses new challenges, says Shashank Joshi

All the targets, all the time

Synthetic-aperture radar is making the Earth’s surface watchable 24/7

Cloud cover and the dark of the Moon matter no more

See-through seas

Finding submarines is likely to get easier

But it will still be hard, and some waters will remain inviolable

Lots of signal, lots of noise

Where to process data, and how to add them up

The dark art of data fusion

Fierce contests

Deception and destruction can still blind the enemy

Many outcomes will still remain uncertain

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