Researchers have found a low-power, inexpensive way for large numbers of devices, such as machines in factories and equipment ...

Most of the challenge in receiving the Alexanderson transmitter broadcasts are due to this very low broadcast frequency; your antenna is not long enough. If you’re in Europe, it’s a lot easier ...

The first signal-transmission device that can use an efficient data sharing technique called "backscattering" in a relatively untapped high-frequency range. By operating in the subterahertz frequency ...