Farmers can save water with wireless technologies, but there are challenges – like transmitting data through mud
The Agricultural Internet of Things is making farming more efficient. An information technology expert describes some of the challenges of working with sensors and antennas underground.
Abdul Salam, Assistant Professor of Computer and Information Technology, Purdue University •
conversation
Aug. 11, 2022 • ~8 min
Aug. 11, 2022 • ~8 min
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
Feb. 22, 2022 • ~8 min
How 5G puts airplanes at risk – an electrical engineer explains
Airplanes use radio waves to determine how far off the ground they are. New 5G cellphone services come close to the same frequencies the airplanes use. Here’s how that can be a problem.
Prasenjit Mitra, Professor of Information Sciences and Technology, Penn State •
conversation
Jan. 25, 2022 • ~6 min
Jan. 25, 2022 • ~6 min
What is 5G? An electrical engineer explains
5G is 10 times faster than 4G, promising better wireless internet access. It’s also expected to put the Internet of Things revolution in high gear.
Prasenjit Mitra, Professor of Information Sciences and Technology, Penn State •
conversation
Jan. 10, 2022 • ~3 min
Jan. 10, 2022 • ~3 min
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