Featured series 
Tag: School of Engineering and Applied Sciences
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Campus & Community
Engineering Idol
The winner of this year’s ES100-100hf senior engineering design project course competition aimed straight for the heart by recording an electrical “ballad.” The runners-up (a tie for second), meanwhile, worked…
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Campus & Community
Transplanted cells regenerate muscles
Biological engineering, which once excited the medical community, has been fraught with the difficulties of keeping transplanted cells alive and getting them to integrate with a host’s body. Researchers at…
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Campus & Community
‘Armored’ bubbles can exist in stable nonspherical shapes
Researchers at Harvard University have demonstrated that gas bubbles can exist in stable non-spherical shapes without the application of external force. The micron- to millimeter-scale peapod-, doughnut-, and sausage-shaped bubbles,…
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Science & Tech
Making the world’s smallest gadgets even smaller
You may not have noticed, but the smallest revolution in world history is under way. Laboratories and factories have begun to make medical sensors and computer-chip components smaller than a…
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Campus & Community
Drops in drops hold practical promise
A team of Harvard researchers has developed a technique that allows the precise formation of double emulsions – droplets within droplets – that offers new ways to deliver drugs, nutrients,…
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Science & Tech
Student makes cableless cable
Matthew DePetro ’05 earned top honors for his senior design project, “Wireless Cable Television.” The first-prize entry “untethers” standard cable TV and even eliminates the need for a wall outlet.…
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Campus & Community
Brighter model for global warming
To environmental chemist Scot Martin, chemistry is a way of understanding the Earth and some of its most pressing problems. From global warming to heavy metal pollution in groundwater, Martin,…
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Campus & Community
Harvard scientists develop ‘plug and play’ laser
Engineers and applied physicists have demonstrated the feasibility of a new type of plug-in laser that could lay the groundwork for wide-ranging security applications. Their Raman injection laser, described in…
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Campus & Community
Warming world would see fewer summer breezes
A group of climate researchers has shown that a warming globe over the next 50 years could result in fewer appearances of summer’s cleansing winds over the Northeast and Midwest…
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Health
Snaring secrets of the Venus flytrap
While “speed” is not a word most people associate with the plant kingdom, the Venus flytrap closes its v-shaped leaves in just one-tenth of a second – fast enough to…
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Campus & Community
Quantum network to deliver secure messages
Talked about for decades, a quantum code key system joined to the Internet has now been demonstrated. It sends encoding and decoding keys as light pulses between Harvard and Boston…
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Campus & Community
Researchers observe ozone killer
Harvard researchers have implicated a particular molecule in the destruction of Earth’s ozone layer. The molecule, made up of two chlorine atoms and two oxygen atoms, is called a chlorine…
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Science & Tech
Tiniest droplets produced from triangular nozzles
Ultra-tiny taps – which could, in theory, create drops just 8 billionths of a millimeter in size – might prove a boon for technologies that employ sprays of costly materials.…
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Science & Tech
Light propagates via wires more slender than its own wavelength
A research team led by Harvard’s Eric Mazur and Limin Tong, a visiting professor from Zhejiang University in China, reported on their work with nanowires in the Dec. 18, 2003…
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Campus & Community
Surgery done on a single cell
A superprecise scalpel that can be used to operate on an individual cell is now a reality thanks to experimenters at Harvard University. “Ultrashort laser pulses [up to 1,000 a…
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Campus & Community
War stories of a soldier/scientist
Kevin Kit Parker’s 9 mm pistol lay on the table next to the laptop as he typed. He was stripped to the waist in the 130-degree heat, sweating and writing while he waited for a flight home from Afghanistan.
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Campus & Community
Building circuits measured in molecules
Yu Huang, a doctoral student in Professor Charles Lieber’s lab, has used fluid flows to arrange tiny bits of wires that are just billionths of a meter wide into millimeter-long…
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Science & Tech
McElroy says it’s time to stop seeing global warming as political issue
Michael B. McElroy, Gilbert Butler Professor of Environmental Studies and director of Harvard’s Center for the Environment, is among the scientists who since the 1970s have been using paleoclimatic data…
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Health
Students develop system to fight TB
A new system developed by Harvard undergraduates delivers anti-tuberculosis drugs through an inhaler, increasing the likelihood that patients will take them over longer periods, and reducing the side effects of…
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Science & Tech
New use found for black silicon
In 1999, Harvard researchers used laser pulses to etch the surface of silicon, the most common substance used in electronic devices. By accident, they created a material that efficiently traps…
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Science & Tech
Students tackle Harvard Square parking problems
A group of students who studied parking problems in Harvard Square issued wide-ranging recommendations, including installing wireless access-control gates at the more than 50 lots across the University, increasing parking…
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Science & Tech
Harvard researchers stop, restart, light
Albert Einstein theorized that light cannot travel faster than 186,282 miles per second. But he never said it couldn’t go slower. Lene Hau, a physics professor in the Faculty of…
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Science & Tech
Black silicon: A new way to trap light
Eric Mazur, Harvard College Professor and Gordon McKay Professor of Applied Physics, and his students were studying what kinds of new chemistry can occur when lasers shine on metals, like…
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Science & Tech
Exploring big and small possibilities of the information revolution
” ‘System-on-a-chip’ is the new buzzword today,” said Professor Woodward Yang in 1999. “It’s really not that far away.” As Yang sees it, the computer revolution is really just beginning.…