Physics

Scientists differentiate chemical bonds in individual molecules for first time using noncontact atomic force microscopy

IBM scientists have been able to differentiate the chemical bonds in individual molecules for the first time using a technique known as noncontact atomic force microscopy (AFM). The results push the exploration of using molecules and atoms at the smallest scale and could be important for studying graphene devices, which are currently being explored by both industry and academia for applications including high-bandwidth wireless communication and electronic displays.

International Space Station Astronauts Land Safely in Kazakhstan

Three members of the Expedition 32 crew undocked from the International Space Station and returned safely to Earth on Sunday, wrapping up a mission lasting more than four months.

International Space Station Astronauts Land Safely in Kazakhstan

Three members of the Expedition 32 crew undocked from the International Space Station and returned safely to Earth on Sunday, wrapping up a mission lasting more than four months.

Weather Postpones Shuttle Endeavour Ferry Flight to Sept. 18

NASA's planned ferry flight of space shuttle Endeavour atop the 747 Shuttle Carrier Aircraft (SCA) has been postponed until Tuesday, Sept. 18 due to an unfavorable weather forecast for Monday, Sept. 17.

Scientists planning next particle super collider to meet at UT Arlington

The University of Texas at Arlington will host hundreds of particle physicists from all over the world Oct. 22-26 for the International Workshop on Future Linear Colliders.

Watch This: Water Droplets Held Aloft By Sound Waves | 80beats

To keep droplets of liquid floating in midair, the device in the video above relies on a hum of sound just above the range of human hearing. This technology, called an acoustic levitator, suspends these tiny balls of liquid using two speakers that project sound waves in opposite directions, counteracting the force of gravity.

World's most stable laser: Important for even better optical atomic clocks

New silicon resonator keeps the frequency of a laser more stable than ever before – Important for even better optical atomic clocks

Solar and wind energy may stabilise the power grid

(Phys.org)—Renewable energies such as wind, sun and biogas are set to become increasingly important in generating electricity. If increasing numbers of wind turbines and photovoltaic systems feed electrical energy into the grid, it becomes denser – and more distributed. Therefore, instead of a small number of large power plants, it links a larger number of small, decentralized power plants with the washing machines, computers and industrial machinery of consumers. Such a dense power grid, however may not be as vulnerable to power outages as some experts fear.

Researchers find retinal rods able to detect photon number distribution

(Phys.org)—The eye, whether in humans or other animals, is truly one of nature's most sophisticated advancements, able to convert light into signals the brain can interpret as imagery, all in real time. Most of the actual work is done at the back of the eye where rods and cones, two types of photoreceptors are located. Cones are primarily responsible for the eye's sensitivity to color, while rods, which are far more numerous (some 120 million exit in one human eye), are more sensitive to light in general.

First Planets Found Around Sun-Like Stars in a Cluster

NASA-funded astronomers have, for the first time, spotted planets orbiting sun-like stars in a crowded cluster of stars.

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