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The Optical Society of America (OSA) - Where science and technology innovators in optics and photonics come together - Advancing the Science of Light

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Twitter is without a doubt the best way to share and discover what is happening right now.

Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 150 billion archived web pages.

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Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...

Startup Weekend is a global network of passionate leaders and entrepreneurs on a mission to inspire, educate, and empower individuals, teams and communities. Come share ideas, form teams, and launch startups.

Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 410 billion archived web pages.

مدونة من الإنجيل الضوء المجتمع

WaterFire centers on a series of 100 bonfires that blaze just above the surface of the three rivers that pass through the middle of downtown Providence. The string of fires illuminates nearly two-thirds of a mile of urban public spaces and parks, and...

Boubyan Bank Volunteers

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