Engineering
A team of organic chemists and engineers from Linköping University and KTH Royal Institute of Technology, both in Sweden, has demonstrated that working transistors can be made from treated wood. The results have been published ...
Engineering
A multi-institutional team of mechanical engineers and materials scientists has developed an inverse design method to improve the texture of porous surfaces on 3D printed structures. In their paper published in the journal ...
Robotics
Bumblebees are clumsy fliers. It is estimated that a foraging bee bumps into a flower about once per second, which damages its wings over time. Yet despite having many tiny rips or holes in their wings, bumblebees can still ...
Mar 15, 2023
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170
Engineering
In recent years, teams of engineers worldwide have been trying to develop acoustic devices based on piezoelectrics (i.e., materials that can produce electricity when mechanical stress is applied to them) integrated with conventional ...
Robotics
Bats have the innate ability to move around in the dark, even when they cannot visually perceive their surroundings. This fascinating ability is grounded in their emission of ultrasonic chirps, which produce unique patterns ...
Engineering
Take apart your laptop screen, and at its heart you'll find a plate patterned with pixels of red, green, and blue LEDs, arranged end to end like a meticulous Lite Brite display. When electrically powered, the LEDs together ...
Feb 1, 2023
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362
Engineering
New lithium metal batteries with solid electrolytes are lightweight, inflammable, pack a lot of energy, and can be recharged very quickly, but they have been slow to develop due to mysterious short circuiting and failure. ...
Jan 30, 2023
2
933
Robotics
Researchers have made a significant leap forward in developing insect-sized jumping robots capable of performing tasks in the small spaces often found in mechanical, agricultural and search-and-rescue settings.
Jan 23, 2023
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124
Engineering
A new kind of solar panel, developed at the University of Michigan, has achieved 9% efficiency in converting water into hydrogen and oxygen—mimicking a crucial step in natural photosynthesis. Outdoors, it represents a major ...
Jan 4, 2023
2
565
Robotics
Cornell University engineers have created a soft robot capable of detecting when and where it was damaged—and then healing itself on the spot.
Dec 7, 2022
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156
