Engineering
Scientists have found that concrete's compressive strength can be increased by 4.1% and its flexural strength by 3.4% by adding a small amount of coconut shell (only 5%). The material's performance increased by 6.1% compared ...
Oct 10, 2023
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151
Robotics
People rarely walk at a constant speed and a single incline. We change speed when rushing to the next appointment, catching a crosswalk signal, or going for a casual stroll in the park. Slopes change all the time too, whether ...
Nov 10, 2021
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189
Engineering
In a giant leap for future hypersonic flight, Chinese scientists have turned to multi-scale technology to develop a revolutionary new material that has achieved record high marks in tests for vital strength and thermal insulation ...
Engineering
On June 24, 2021, at approximately 1:30 a.m. Eastern Daylight Time, Champlain Towers South Condominium, a 12-story 40-year-old reinforced concrete flat plate structure building in the Miami suburb of Surfside, Florida, United ...
Nov 9, 2021
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12
Internet
Q: During Zoom video calls, my screen image follows my actual movements very slowly. If I move my head or speak, there's sometimes a delay of two seconds or more before it happens on my screen. (This didn't happen during ...
May 6, 2020
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4
Engineering
The building sector is the second largest sector in plastic consumption, and is responsible for more than a third of energy-related greenhouse gas emissions worldwide. Manufacturing processes of construction materials pollute ...
Nov 30, 2023
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46
Electronics & Semiconductors
In recent years, engineers and material scientists have been trying to identify particularly promising materials for creating flexible electronics of different shapes and sizes. Ultimately, these electronics could be integrated ...
Engineering
A 3D printed 'metamaterial' boasting levels of strength for weight not normally seen in nature or manufacturing could change how we make everything from medical implants to aircraft or rocket parts.
Feb 26, 2024
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129
Engineering
Cellular solids are materials composed of many cells that have been packed together, such as in a honeycomb. The shape of those cells largely determines the material's mechanical properties, including its stiffness or strength. ...
Aug 22, 2023
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91
Robotics
As people age, they gradually lose muscle strength in their arms and legs, making it difficult for them to participate in leisure activities such as hiking and traveling, and they often need to rely on assistive devices such ...
Jan 19, 2024
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36
