Highlights: ・1,568 line kilometers of airborne VTEM Max electromagnetic geophysical survey completed. ・4,971 soil samples collected. ・Rock sampling and prospecting carried out. ・Results ...

In 1996, R.W. Hellwarth and P. Nouchi theorized that “focused doughnuts” of electromagnetic radiation could be propagated through free space, but had no idea how to trigger such a phenomenon ...

HELSINKI — China launched a second collaborative seismo-electromagnetic satellite early Saturday, aimed at detecting electromagnetic precursors to natural disasters such as earthquakes.

Researchers have developed a method to emit electromagnetic vortex rings using coaxial horn antennas, similar to an "electromagnetic air cannon." These vortex pulses demonstrate stable propagation ...