Telecom

US seeks new 5G delay to study interference with planes

US authorities have asked telecom operators AT&T and Verizon to delay for up to two weeks their already postponed rollout of 5G networks amid uncertainty about interference with vital flight safety equipment.

Telecom

Developing a liquid radio antenna

Solid, metal antennae have been the standard in a wide range of technologies for decades, including a wide variety of radio communications and scanning such as radar. However, research into the concept of liquid antennae ...

Energy & Green Tech

Ultrasound can enable faster, more sustainable battery recycling

Known by expectant parents as the technology that enables them to see their child for the first time, ultrasound can be used at extremely low frequencies to serve an entirely different purpose. Researchers at KTH Royal Institute ...

Engineering

Powering sea to space

Magnetic materials pose major limitations in power electronic applications at high frequencies, but MSE Professor Michael McHenry and alums Paul Ohodnicki, Alex Leary and Sam Kernion have made advancements on materials and ...

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Frequency

Frequency is the number of occurrences of a repeating event per unit time. It is also referred to as temporal frequency. The period is the duration of one cycle in a repeating event, so the period is the reciprocal of the frequency. For example, if a newborn baby's heart beats at a frequency of 120 times a minute, its period (the interval between beats) is half a second.

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