Mechanical antennas represent a disruptive approach to low-frequency communication by exploiting the mechanical oscillation of electric charges or magnetic dipoles to generate electromagnetic ...
In the global game of nuclear brinksmanship, secrets are the coin of the realm. This was especially true during the Cold War, when each side fielded armies of spies to ferret out what the other guy ...
A head-mounted device generates an ultra-low frequency ultralow magnetic field, known as an Extremely Low Frequency Magnetic Environment (ELF-ELME). A head-mounted device that generates an ultra-low ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback