Fossil fuel-free jet propulsion with air plasmas

Humans depend on fossil fuels as their primary energy source, especially in transportation. However, fossil fuels are both unsustainable and unsafe, serving as the largest source of greenhouse gas emissions and leading to ...

The physics of undulatory human swimming

A research team led by the University of Tsukuba created the most complete recording to date of a human swimming underwater like an eel or lamprey. Using motion-capture equipment and particle velocity monitors, the scientists ...

New smart materials could open new research field

A group of new smart materials discovered by researchers at Texas A&M University and their colleagues has the potential to significantly improve the efficiency of fuel burn in jet engines, cutting the cost of flying. The ...

Video: Chemtrails vs. contrails

It's easy to look at the white trail behind a jet aircraft and imagine all manner of chemicals raining down from above. However, airplane contrails are simply what happens when jet engines burn fuel.

Printed meds could reinvent pharmacies, drug research

A technology that can print pure, ultra-precise doses of drugs onto a wide variety of surfaces could one day enable on-site printing of custom-dosed medications at pharmacies, hospitals and other locations.

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