Search results for Ansari

General Physics Aug 28, 2006

Flies provide aerodynamic model for tiny flying vehicles

When it comes to flying, the fly reigns supreme. This two-winged insect’s sophisticated flying behavior enables it to make sharp turns, aim at targets and hover – traits which make the insect an ideal prototype for tiny ...

Optics & Photonics Apr 8, 2022

First integrated laser on lithium niobate chip

For all the recent advances in integrated lithium niobate photonic circuits—from frequency combs to frequency converters and modulators—one big component has remained frustratingly difficult to integrate: lasers.

Space Exploration Oct 4, 2011

Dream is over for Virgin Galactic space tourist

Venture capitalist Alan Walton has trekked to the North Pole, climbed Mount Kilimanjaro and skydived over Mount Everest. A hop into space to enjoy a few minutes of weightlessness would have been the ultimate adventure.

Space Exploration Feb 1, 2018

Russia to start offering spacewalks for tourists

Russia is planning to send paying tourists on the International Space Station out on spacewalks for the first time, an official from the country's space industry said Thursday.

Quantum Physics Jan 5, 2021

Breaking through the resolution barrier with quantum-limited precision

Researchers at Paderborn University have developed a new method of distance measurement for systems such as GPS, which achieves more precise results than ever before. Using quantum physics, the team led by Leibniz Prize winner ...

Space Exploration Jul 12, 2015

Astronomer's ashes nearing icy world he discovered: Pluto

Come Tuesday, Clyde Tombaugh will pass within 7,800 miles (12,550 kilometers) of the icy world he discovered 85 years ago.

Space Exploration May 31, 2009

Sir Richard Branson All Fired Up With Latest Rocket Motor Test

Virgin Galactic owned by Sir Richard Branson completed a successful test on May 28, 2009 of its hybrid nitrous oxide motor designed by Scaled Composites and a subcontractor Sierra Nevada Corporation. The innovative hybrid ...

Computer Sciences Apr 6, 2015

Rage against the machines: A computer engineer battles malicious bots

Defending websites from malicious intruder bots is not unlike fighting viruses: neutralize them and they reinvent themselves, finding new ways to penetrate. But IT security designers still hold an advantage over some automated ...

Social Sciences May 19, 2011

Researchers probe causes of math anxiety

Math problems make more than a few students - and even teachers - sweat, but new brain research is providing insights into the earliest causes of the anxiety so often associated with mathematics.

Optics & Photonics Sep 7, 2022

New on-chip laser frequency comb is 100 times more efficient than previous versions

On-chip laser frequency combs—lasers that emit multiple frequencies or colors of light simultaneously separated like the tooth on a comb—are a promising technology for a range of applications including environmental monitoring, ...

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