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Scientists develop biological computer to encrypt and decipher images

Scientists at The Scripps Research Institute in California and the Technion–Israel Institute of Technology have developed a "biological computer" made entirely from biomolecules that is capable of deciphering images encrypted on DNA chips. Although DNA has been used for encryption in the past, this is the first experimental demonstration of a molecular cryptosystem of images based

Technology | Source: Scripps Research Institute | Views: 46 | Comments: 0
Scientists 'record' magnetic advance in data storage

An international team of scientists has demonstrated a revolutionary new way of magnetic recording which will allow information to be processed hundreds of times faster than by current hard drive technology.

Technology | Source: University of York | Views: 78 | Comments: 0
Graphene electronics moves into a third dimension

In a paper published this week in Science, a Manchester team lead by Nobel laureates Professor Andre Geim and Professor Konstantin Novoselov has literally opened a third dimension in graphene research. Their research shows a transistor that may prove the missing link for graphene to become the next silicon.

Technology | Source: University of Manchester | Views: 121 | Comments: 0
Video: Studying butterfly flight to help build bug-size flying robots

To improve the next generation of insect-size flying machines, Johns Hopkins engineers have been aiming high-speed video cameras at some of the prettiest bugs on the planet. By figuring out how butterflies flutter among flowers with amazing grace and agility, the researchers hope to help small airborne robots mimic these maneuvers.

Robotics | Source: Johns Hopkins University | Views: 115 | Comments: 0
A new system of stereo cameras detects pedestrians from within the car

A team of German researchers, with the help of a lecturer at the University of Alcalá (UAH, Spain), has developed a system that locates pedestrians in front of the vehicle using artificial vision. Soon to be integrated into the top-of-the-range Mercedes vehicles, the device includes two cameras and a unit that process information supplied in real time by all image points.

Technology | Source: FECYT - Spanish Foundation for Science and Technology | Views: 83 | Comments: 0
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A new system of stereo cameras detects pedestrians from within the car

A team of German researchers, with the help of a lecturer at the University of Alcalá (UAH, Spain), has developed a system that locates pedestrians in front of the vehicle using artificial vision. Soon to be integrated into the top-of-the-range Mercedes vehicles, the device includes two cameras and a unit that process information supplied in real time by all image points.

Technology | Source: FECYT - Spanish Foundation for Science and Technology | Views: 83 | Comments: 0
Rap music powers rhythmic action of medical sensor

The driving bass rhythm of rap music can be harnessed to power a new type of miniature medical sensor designed to be implanted in the body.

Technology | Source: Purdue University | Views: 205 | Comments: 0
Cooling semiconductor by laser light

Researchers at the Niels Bohr Institute have combined two worlds – quantum physics and nano physics, and this has led to the discovery of a new method for laser cooling semiconductor membranes. Semiconductors are vital components in solar cells, LEDs and many other electronics, and the efficient cooling of components is important for future quantum computers and ultrasensitive sensors. The new coo

Technology | Source: University of Copenhagen | Views: 148 | Comments: 0
Physicists use ion beams to detect art forgery

University of Notre Dame nuclear physicists Philippe Collon and Michael Wiescher are using accelerated ion beams to pinpoint the age and origin of material used in pottery, painting, metalwork and other art. The results of their tests can serve as powerful forensic tools to reveal counterfeit art work, without the destruction of any sample as required in some chemical analysis.

Technology | Source: University of Notre Dame | Views: 383 | Comments: 1
A big leap toward lowering the power consumption of microprocessors

The first systematic power profiles of microprocessors could help lower the energy consumption of both small cell phones and giant data centers, report computer science professors from The University of Texas at Austin and the Australian National University.

Technology | Source: University of Texas at Austin | Views: 195 | Comments: 0
Quantum physics enables perfectly secure cloud computing

Researchers have succeeded in combining the power of quantum computing with the security of quantum cryptography and have shown that perfectly secure cloud computing can be achieved using the principles of quantum mechanics. They have performed an experimental demonstration of quantum computation in which the input, the data processing, and the output remain unknown to the quantum computer. The in

Computer Science | Source: University of Vienna | Views: 169 | Comments: 0
Video: Snakes improve search-and-rescue robots

Designing an all-terrain robot for search-and-rescue missions is an arduous task for scientists. The machine must be flexible enough to move over uneven surfaces, yet not so big that it's restricted from tight spaces. It might also be required to climb slopes of varying inclines. Existing robots can do many of these things, but the majority require large amounts of energy and are prone to overheat

Robotics | Source: Georgia Institute of Technology | Views: 174 | Comments: 0
New microtweezers may build tiny 'MEMS' structures

Researchers have created new "microtweezers" capable of manipulating objects to build tiny structures, print coatings to make advanced sensors, and grab and position live stem cell spheres for research.

Technology | Source: Purdue University | Views: 86 | Comments: 0
Plugged into learning: Computers help students advance

Technology has grown by leaps and bounds, yet are computers helping students progress in their learning? Absolutely, says a 40-year retrospective on the impact of technology in classrooms.

Technology | Source: Concordia University | Views: 109 | Comments: 0
The world's smallest magnetic data storage unit

Scientists from IBM and the German Center for Free-Electron Laser Science (CFEL) have built the world's smallest magnetic data storage unit. It uses just twelve atoms per bit, the basic unit of information, and squeezes a whole byte (8 bit) into as few as 96 atoms.

Technology | Source: Helmholtz Association of German Research Centres | Views: 241 | Comments: 0
One-third of car fuel consumption is due to friction loss

No less than one third of a car's fuel consumption is spent in overcoming friction, and this friction loss has a direct impact on both fuel consumption and emissions. However, new technology can reduce friction by anything from 10% to 80% in various components of a car, according to a joint study by VTT Technical Research Centre of Finland and Argonne National Laboratory (ANL) in USA. It should th

Technology | Source: VTT Technical Research Centre of Finland | Views: 162 | Comments: 0
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