Sandcastle engineering – a geotechnical engineer explains how water, air and sand create solid structures
From capillary forces to sand grain shape, the simple mix of sand and water hides the of complexity within.
Joseph Scalia, Associate Professor of Civil and Environmental Engineering, Colorado State University •
conversation
Aug. 19, 2022 • ~8 min
Aug. 19, 2022 • ~8 min
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
Fertilizer prices are soaring – and that's an opportunity to promote more sustainable ways of growing crops
Farmers are contending with huge spikes in fertilizer prices. The Biden administration is paying US companies to boost synthetic fertilizer production, but there are other, more sustainable options.
Kathleen Merrigan, Executive Director, Swette Center for Sustainable Food Systems, Arizona State University •
conversation
June 14, 2022 • ~10 min
June 14, 2022 • ~10 min
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