How your WiFi can protect against intruders

The applications of wireless networks go far beyond logging onto the free Airport WiFi while you wait to board your flight, or binge watching the latest Netflix series on a rainy Sunday afternoon.

Engineers devise two-way radio on a single chip

Two-way communication requires, of course, both send and receive capabilities. But putting them in the same device requires a filter between the send and receive circuits to provide signal isolation.

APL backpack-sized mini-mapper captures intel in tight spots

Engineers at the Johns Hopkins University Applied Physics Laboratory have developed a portable mapping system—carried in a backpack—that can be used to automatically create annotated physical maps of locations where GPS ...

Radio signals research scans new horizons

A study at the University of Leicester aims to understand the reasons why radio signals sometimes act unpredictably- travelling beyond the horizon and interfering with other signals.

Updates on recovery attempts for NASA IMAGE mission

After an amateur astronomer recorded observations of a satellite in high Earth orbit on Jan. 20, 2018, his initial research suggested it was the Imager for Magnetopause-to-Aurora Global Exploration (IMAGE)—a NASA mission ...

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