Aerodynamics of perching birds could inform aircraft design

If you have ever watched a bird land on a tree branch, you may have noticed that it rapidly pitches its wings upward at a high angle to execute a smooth landing. However, for some birds, they land by folding their wings as ...

Using marinated eggs to demonstrate diffusion

Marinated, or pickled, eggs are enjoyed by cultures around the world. There are Pennsylvania Dutch red-beet pickled eggs, German-style ones with a heavy dose of mustard, and Asian recipes that use rice vinegar and soy sauce, ...

Sustainable fuel blends could help airlines clean up their act

Sustainable fuel blends used by aircraft may help reduce the impact of aviation on climate warming by producing less contrail cloud, concludes a study published in Communications Earth & Environment. The findings suggest ...

US corporations advertise on hookup sites—unwittingly

Ads for major US corporations like General Electric and home improvement retail chain Lowe's are appearing, often without their knowledge, on internet hookup sites, underscoring advertisers' difficulty in controlling their ...

Ion drive space engine used on aircraft for first time

Imagine an aircraft engine that has no moving parts, produces no harmful exhaust and makes no noise. That's what researchers at the Massachusetts Institute of Technology (MIT) in the US have created by adapting a technology ...

Airbus profits fall 30 percent, hit by delivery delays

Airbus saw its profits plunge by 30 percent in the first quarter of 2018 due to delays in delivery of its A320neo engines but still plans to supply 800 aircraft this year, the company said Friday.

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