Scholars studying works on optics by Greek and Arabic scientists did experiments on the nature of light using lenses and invented eye glasses in the process.
Medieval scholars were particularly fascinated by the science of optics and invented eye glasses partly as a result of their studies using lenses to determine the nature of light and the physics of sight.
However, "because of the controversial nature of red-light cameras, I do believe an agency should consider everything else" before installing them, she said.
Mr Qandil said Saturday's incident "sheds light on the nature of people occupying the square".
BBC: Tahrir Square activists confront Egypt PM Hisham Qandil
The researchers suggested this failure to transfer may be down to a lack of parental involvement or the "light touch" nature of the interventions.
"Until Davis can acknowledge and explain why he actively championed the family's interests and shed more light on the nature of his involvement, I am not prepared to release him, " Brown said.
In the process, they are shedding light on the very nature of consciousness.
Thousands of people are expected to flock to a forest in Perthshire this weekend for a sound and light show inspired by nature.
The blows kept coming this year when New Orleans Saints were caught in the Bountygate scandal, which shined further light on the violent nature of the game.
FORBES: Dale Earnhardt Shows Concussions Not Just An NFL Problem
And in case your festival proclivities are of a fierier nature, the annual Celebration of Light (late July-early August) illuminates the city skies for its 20th year in 2010, with four countries vying for the best display of fireworks set to music.
But no further light is shed on the nature of these payments.
The sequence of woodland vistas, the revelations of scale and distance, light and dark, building and nature, land and water, as one approaches the entrance, were superbly orchestrated by Wright.
Dr John Morgan, head of the Forestry Commission's plant health service, said the work would help shed light on "the history and nature of the introduction of new pests like Chalara, and in helping to understand how we tackle the disease that's arrived and to understand what the risk of spreading is".
But Dr Zheludev has found that a similar effect can be achieved by keeping the temperature stable and using a beam of light to manipulate gallium's metallic nature.
Encrypting email may be a reasonable step for an attorney working on a highly sensitive manner, especially in light of the fact that the very nature of digital technologies makes it easier for a third party to intercept a much greater amount of information in a much shorter period of time than would be required if the information were in hard copy.
FORBES: Your Ethical And Legal Duties When Using Wireless Networks
In fact, given the nature of the operation, coalition casualties have been light. (In a battle for Nasiriya with the Ottomans in 1915, the overconfident British, whose supply lines were also stretched thin, lost 500 men.) Iraq has suffered an unknown but far higher number of combat casualties: several hundred Iraqis were reportedly killed in an engagement at Najaf on March 25th-26th.
"Quite rightly, our children and grandchildren will ask what we were thinking about, and consider that we were deluded in exchanging that which nature gave us for a power installation that would not even light up Bonar Bridge, " he wrote in his letter of objection.
Since Anderson localisation depended on the wave nature of electrons, physicists quickly realised that it could work with light, too.
In place of the keyboard Stantum has put down its own touchscreen LCD, but despite this thrown together nature, the device is actually surprisingly comfortable to hold and relatively light.
ENGADGET: Stantum multitouch Slate PC prototype hands-on Hands-on
Former Labour PM Gordon Brown hired an ex-BBC producer to help ensure he wasn't photographed in a bad light, but it's not always that simple and press photographers are by nature a creative bunch.
In a report in the journal Nature, US researchers say they have worked out how black holes emit jet streams of particles at close to light speed.
His main characters include G, the strength of gravity, h, Planck's constant, which governs the quantum nature of reality at small scales, e, the charge of the electron, and c, the speed of light itself.
应用推荐