Mechanical Engineering and Materials Science

graphic for crash course on materials science

February 7, 2022

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Illustration showing the atomic structure of solid-electrolyte Na3PS4 with channels for Na+ ions (purple) between PS43- polyanions (orange).

January 12, 2022

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Engineering professor David Needham in his lab

January 12, 2022

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A prototype patch made of hybrid nylon/silver vents that open in response to a person鈥檚 sweat and close again once dry. Requiring no energy, the vents open because the moist nylon must expand but the silver can only curl in on itself.

January 5, 2022

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There are no physical structures in this video. The 鈥渨alls鈥 guiding the particles through the liquid are actually a complex combination of sound waves created by a new technique called a shadow waveguide.

August 25, 2021

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This new biomedical device manipulates particles as small as DNA (2.5 nanometers) with sound-induced electric fields. Four transducers send sound waves into a substrate that creates electricity as it vibrates, producing patterns of electric-acoustic waves

June 23, 2021

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Five proteins, each different colors, make up the viral DNA-packaging motor

June 4, 2021

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photo of airplane flying in the sky

May 24, 2021

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After overcoming a few hurdles in the morning, Duke Motorsports got their Formula-style racecar up to 80 MPH

May 5, 2021

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Duke mechanical engineering undergraduates approach the launch site carrying Thing 1 and Thing 2, the two stages of the rocket they successfully launched at Bayboro, N.C., April 25.

April 29, 2021

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Ricky Hollenbach breaking boards in tawkwon-do

March 3, 2021

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A Tetris-like grid of high-entropy carbides (blue) and borides (red) is expected to produce super-hard materials that can literally stir two pieces of steel together.

February 25, 2021

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A time series shows cells proliferating in a controlled environment. New cells are marked a, b, c, d.

January 28, 2021

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老牛影视 researchers are concentrating and separating tiny particles by spinning individual droplets of liquid with soundwaves

January 5, 2021

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