Energy & Green Tech

Rooftop solar cells can be a boon for water conservation too

Electricity-generating rooftop solar cells not only save on planet-warming carbon emissions, they also save a significant amount of water, say a pair of Duke University researchers who have done the math.

Security

Securing the food pipeline from cyberattacks

Sensors detecting the amount of food that herds of cattle are eating. Machines taking thousands of photos of fruit per second to detect their defects and sort them by quality. Robots packing fruit and vegetables into bags ...