Energy & Green Tech

Are wind farms slowing each other down?

The expansion of wind energy in the German Bight and the Baltic Sea has accelerated enormously in recent years. The first systems went into operation in 2008. Today, wind turbines with an output of around 8,000 megawatts ...

Telecom

Smartphone, broadband usage grows in US: survey

The vast majority of US adults now use a smartphone and have high-speed internet at home, following modest growth over the past two years, a survey showed Thursday.

Engineering

How a tougher skin could change the shape of stealth aircraft

Stealth fighters and bombers are among the most expensive aircraft in the world, and they rely on a radar-absorbent polymer skin to avoid detection. But that polymer is so fragile that these high-end aircraft have to be designed ...

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