What is 3G and why is it being shut down? An electrical engineer explains

As the wireless telecommunications companies ramp up their 5G rollouts, they are beginning to pull the plug on their 3G networks. 2022 is the end of the line for the venerable cellphone service.

Mai Vu, Associate Professor of Electrical and Computer Engineering, Tufts University • conversation
Feb. 22, 2022 • ~8 min

A 4G network on the Moon is bad news for radio astronomy

Radio telescopes are incredibly sensitive to phone network interference.

Emma Alexander, PhD Candidate in Astrophysics, University of Manchester • conversation
Oct. 23, 2020 • ~6 min

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