New invisibility cloak is 3D-printed ‘frisbee’
DUKE (US) — Seven years ago, the first working invisibility cloak resulted from complex laboratory experiments. It’s now easier and cheaper to make a simple cloak. Continue…
Monday, May 6, 2013 11:33 - 0 Comments
Earth & Environment - Mar 1, 2013 12:03 - 0 Comments
Silver nanoparticles may stress out plants
DUKE (US) — Even low doses of silver nanoparticles can negatively affect plants and microbes, a study shows. (more…)
Science & Technology - Feb 1, 2013 8:25 - 0 Comments
Wrinkly coating can shimmy off bacteria
DUKE (US) — Applied to the hull of a ship like paint, a new material could shake off scum by moving in response to an electric current. (more…)
Top Stories - Nov 15, 2011 10:23 - 2 Comments
Wireless chip catches ride on dragonfly
DUKE (US) — A new wirelessly powered telemetry system is lightweight and powerful enough to study the neurological activity of dragonflies as they capture prey on the wing. (more…)
Science & Technology - Jul 5, 2011 12:04 - 0 Comments
Snoozing boosts mobile battery life
DUKE (US) — Popular belief has it that taking a nap re-energizes our batteries. New research finds it could work for smartphones too. (more…)
Top Stories - May 31, 2011 12:06 - 0 Comments
Fast and cheap: Chip cranks out DNA
DUKE (US) — Bioengineers have designed a 1-by-3 inch chip that can produce custom-made segments of DNA in two days. Current methods take two weeks and require large equipment and significant human labor. (more…)
Top Stories - Mar 7, 2011 12:31 - 0 Comments
Crank up voltage. Watch plastics crack
DUKE (US) — Engineers have documented how polymers—commonly found in wire insulation—breakdown when subjected to ever-increasing electric voltage. (more…)
Science & Technology - Feb 10, 2011 11:48 - 4 Comments
Turning up volume on cellular noise
DUKE (US) — While some scientists find it messy that cells of the same type will respond differently to identical stimuli, bioengineers have now turned this cellular noise to their advantage. (more…)
Health & Medicine - Jan 5, 2011 12:30 - 1 Comment
Light scope detects early cancer
DUKE (US) — A tiny light source and sensors at the end of an endoscope may provide a more accurate way to identify pre-cancerous cells in the lining of the esophagus. (more…)
Health & Medicine - Sep 29, 2010 10:15 - 4 Comments
Spy on cells from deep within
DUKE (US) — Bioengineers have figured out a way to sneak molecular spies into a cell’s command center—its nucleus. (more…)
Science & Technology - Sep 27, 2010 11:03 - 0 Comments
Cell division theory may settle debate
DUKE (US) — A new theory about how the process of mammalian cell division begins could provide insights into the initiation of disease, such as cancer. (more…)
Science & Technology - Aug 25, 2010 13:05 - 2 Comments
Grafts yield patterned nano-brushes
DUKE (US)—Engineers have developed a novel approach to synthesize miniscule bristles known as nano-brushes, which are currently being used in biologic sensors and microscopic devices, such as microcantilevers. (more…)
Science & Technology - Aug 9, 2010 13:27 - 0 Comments
Suicidal cells go ‘pop’
DUKE (US)—Bioengineers have observed a phenomenon in bacteria that causes cells to self-destruct by popping. (more…)
Science & Technology - Jun 16, 2010 10:39 - 3 Comments
Why animal evolution mirrors wheel design
DUKE (US)—While the evolution from the Neolithic solid stone wheel with a single hole for an axle to the sleek wheels of today’s racing bikes can be seen as the result of human ingenuity, engineer Adrian Bejan says it also represents how animals, including humans, have come to move more efficiently and quicker over millions of years on Earth. (more…)
Health & Medicine - May 14, 2010 14:25 - 2 Comments
Med pouch helps protect infants from HIV
DUKE (US)—By using medications packaged just like fast-food ketchup, HIV-positive mothers in developing countries can more easily provide protection to newborn babies born at home. (more…)
Health & Medicine - Nov 2, 2009 11:07 - 2 Comments
Nano-scale delivery may offer less toxic chemo
DUKE (US)—Going smaller could bring better results, especially when it comes to cancer-fighting drugs. Bioengineers have developed a simple and inexpensive method for loading cancer drug payloads into nano-scale delivery vehicles. (more…)
