Can Ethereum Reach $4,000?

The cryptocurrency almost hit $5,000 four months ago, but now it’s time for a more realistic near-term target.

Bionic wing flaps improve wind energy efficiency

Scientists show a bionic approach combining features of a seagull’s wing with an engineered flow control accessory, known as a Gurney flap, can greatly improve wind turbine performance. To achieve the best aerodynamic performance, the scientists simula…