Engineering

Back to the drawing board: Reinventing offshore wind turbines

Brandon Ennis, Sandia National Laboratories' offshore wind technical lead, had a radically new idea for offshore wind turbines: instead of a tall, unwieldy tower with blades at the top, he imagined a towerless turbine with ...

Engineering

Human-occupied submersible Alvin makes historic dive

Today, the human-occupied submersible Alvin made history when it successfully reached a depth of 6,453 meters (nearly 4 miles) in the Puerto Rico Trench, north of San Juan, P.R. This is the deepest dive ever in the 58-year ...

Engineering

Building the future with self-healing concrete and biocement

After water, concrete is the most widely used substance on Earth. With applications from housing and industry to coastal defense and infrastructure, concrete and cement are at the cornerstone of life, quite literally.