Inspecting letters with terahertz waves

Is it a harmless parcel or a bomb, an innocent letter or a drug shipment? A new terahertz scanner is capable of detecting illicit drugs and explosives sent by post without having to open suspicious packages or envelopes.

Recent advance in detonation theory

A detonation wave is a chemical reaction wave propagating at the velocity of a shock wave along the explosive charge. There is great demand for a detonation model that can accurately simulate the detonation process, which ...

Bomb scares: An ODD solution

For anyone who has spent a significant amount of time in an urban setting, the scene of a bomb squad responding to a report of a suspicious package might be all too familiar. But just how is it determined that the lunchbox ...

US nuclear material safe despite wildfire: officials

Radioactive material stored at the top US nuclear laboratory is safe despite a threatening wildfire which has closed the Los Alamos National Lab (LANL) until Wednesday and forced thousands to evacuate, officials said.

When the right suit matters: Standards on bomb suits

When a bomb technician inspects a potential explosive device, the bulky protective suit might be the only defense he or she has. Bomb suit manufacturers run tests on their protective suits to ensure they can withstand an ...

Tiny magnetic sensor deemed attractive

Ultra-sensitive magnetic sensor technology pioneered at PML may soon be commercialized for a host of applications from detection of unexploded bombs and underground pipes to geophysical surveying and perhaps even imaging ...

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