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Harvard

— Science

All-optical transistor could be a big leap for quantum computing

By - July 9, 2013 2 Pictures
Researchers at MIT, Harvard and the Vienna University of Technology have developed a proof-of-concept optical switch that can be controlled by a single photon and is the equivalent of a transistor in an electronic circuit. The advance could improve power consumption in standard computers and have important repercussions for the development of an effective quantum computer. Read More
— Science

Soft exosuit offers an alternative to rigid exoskeletons

By - July 2, 2013 2 Pictures
Powered exoskeletons show great promise both for augmenting the abilities of able-bodied users, and for rehabilitating the disabled. That said, they also tend to be hard-bodied contraptions that don’t look particularly comfortable (or light) to wear. Researchers at Harvard University’s Wyss Institute recently demonstrated what they hope will be a more user-friendly alternative – a “soft exosuit.” Read More
— Science

Scientists create lithium-ion batteries the size of a grain of sand

By - June 28, 2013 2 Pictures
While we’re currently witnessing the rise of tiny electronic devices such as biosensors, many of those devices do have one limiting factor – they still require not-so-tiny batteries, which ends up somewhat defeating the whole miniaturization process. Although some devices can get their power from external sources, scientists from Harvard University and the University of Illinois at Urbana-Champaign have come up with an alternative ... functional 3D-printed lithium-ion batteries no larger than a grain of sand. Read More
— Space

"Einstein's planet" becomes first exoplanet discovered using new detection method

By - May 14, 2013 2 Pictures
Due to their relative faintness compared to their parent stars, most known exoplanets have been discovered using indirect detection methods – that is, detecting the effects they have rather than observing them directly. There are numerous indirect methods that have proven useful in the detection of exoplanets and now yet another, which relies on Einstein’s special theory of relativity, has joined the list with the discovery of an exoplanet known as Kepler-76b. Read More
— Robotics

Harvard's flying robot insect can now hover and steer

By - May 8, 2013 5 Pictures
Almost since the beginning of their existence, robots have taken inspiration from one of nature's wonders: insects. Technological limitations typically prevent these robots from matching the small size of their many-legged muses, resulting in gargantuan examples like Festo's BionicOpter dragonfly. In stark contrast is Harvard's RoboBee, which is the first in the world to demonstrate controlled flight by an insect-sized robot. Read More
— Robotics

New sensor designed to give robots a gentler touch – on a budget

By - April 18, 2013 1 Picture
A lot of time and energy is currently going into developing technologies that give robots a sense of touch. In particular, scientists are developing things like artificial skin that lets robots know how much pressure they’re exerting on an object – this allows them to firmly grip rugged objects, while being more delicate with fragile items. Although most such technologies are fairly complex and expensive, researchers have now developed a cheap tactile sensor that could bring touch sensitivity to consumer and hobbyist applications. Read More
— Science

Tear-inspired material can be tuned to repel or attract water

By - April 12, 2013 2 Pictures
Last year, a group of Harvard University scientists led by Dr. Joanna Aizenberg announced the development of a highly-hydrophobic (water-repellant) material known as SLIPS, or Slippery Liquid Porous Surfaces. The material is remarkable, in that it repels virtually any liquid. Now, Aizenberg and colleagues have created a new material inspired by human tears, the repellency of which can be fine-tuned for different applications. Read More
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