Lieut-Gen Metz has urged the Pentagon to share top-secret methods used by US forces to detect the so-called Improvised Explosive Devices and the terror networks which build them.

He also requested that American forces share the “cold pills” that they take so they do not get too hot in their gear.

Meanwhile, speaking of lo-tech, from the Independent in the UK:

Taliban fighters have developed a deadly new generation of their most lethal weapon, the improvised explosive device, or IED, which is almost undetectable because it has no metal or electronic parts, military experts said last week.

http://www.independent.co.uk/news/world/asia/taliban-make-undetectable-bombs-out-of-wood-1863353.html