Britain says it is developing a radio-wave weapon that can take out a swarm of drones for just $0.12 a shot

• The UK has unveiled a new radio frequency-directed energy weapon under development.
• The Ministry of Defence said it could take out a swarm of drones for just $0.12 a shot.
• Countries are racing to develop these kinds of weapons, to try to combat drones and missiles.

Britain is developing a new radio-wave weapon designed to take out a "swarm" of drones for just $0.12 a shot, the UK's Ministry of Defence said in a press statement.

According to the MOD, the Radio Frequency Directed Energy Weapon, or RFDEW, uses radio waves to detect, track, and disable electronic components at a range of up to 1000 meters.