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leaping dolphin

Life

Inside the secret military programme that uses dolphins as weapons

In the 1950s, the US navy thought dolphins would be good templates for torpedo design. But they ended up using them for a very different purpose

Features

A bomb squad robot in a field with a plane wreakage

Technology

Robo bomb squads compete to gather evidence after a drone attack

News

Four soldiers where big back packs

Technology

Bulletproof batteries could make body armour for combat

News

Soldiers hide behind a building

Technology

The US army has made a virtual North Korea to train its soldiers

News

Suspected railgun on Chinese ship

Technology

Leaked photos suggest China may now have a hypersonic railgun

News

Health

Secret US military bases revealed by joggers using fitness app

News

Spy balloons flying 40km up track drug smugglers on the ground

Earth

Spy balloons flying 40km up track drug smugglers on the ground

News

A Stratollite balloon

Technology

Spy balloons flying 40km up track drug smugglers on the ground

News

An artist's rendition of a swarm of drones

Technology

A swarm of home-made drones has bombed a Russian airbase

News

South Koreans watch a news report of North Korean missile launch

Technology

North Korea launches another long-range missile toward Japan

In a late-night test, North Korea has launched what appears to be an intercontinental ballistic missile with potential to reach as far as Washington DC

News

Technology

Rocket-powered Land Rovers can survive deadly roadside bombs

News

Technology

Smartphone lets you see round corners by light flicker on floor

News

Technology

Drone pilots deserve medals even without risking their lives

Comment

Technology

Nano aluminium offers fuel cells on demand – just add water

News