Lt Gen Vivek Dogra, Signal Officer-in-Chief of the Indian Army, on Friday, flagged the “peculiar limitation of spectrum” as a ...

So if we’re right, each former human is now essentially a radio transmitter and receiver. One plurb sends out a signal that ...

Having the right camouflage on the front line can make a huge difference. If our soldiers are able to detect and locate an ...

Abstract: Reconfigurable metasurfaces are among the key technologies for agile beam modulation. However, conventional reflective or transmissive reconfigurable metasurfaces require external feed ...