Engineering

Engineers develop stickers that can see inside the body

Ultrasound imaging is a safe and noninvasive window into the body's workings, providing clinicians with live images of a patient's internal organs. To capture these images, trained technicians manipulate ultrasound wands ...

Engineering

Carbon dioxide electrolysis as an alternative to coal

Coal in the Rhenish region is not only an important fuel for power generation. It is also used by the chemical industry to produce important basic chemicals. But by the time of the coal phase-out these substances will have ...

Robotics

'PigeonBot' brings aircraft closer to feathered-flight

Since the dawn of the aviation era, inventors have strived to build aircraft that fly as nimbly as birds, whose morphable wings allow for faster, tighter turns and more efficient gliding.

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