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Mathematicians were disturbed, centuries ago, to find that calculating the properties of certain curves demanded the seemingly impossible: numbers that, when multiplied by themselves, turn negative.
All the numbers on the number line, when squared, yield a positive number; 2
2 = 4, and (-2)
2 = 4. Mathematicians started calling those familiar numbers “real” and the apparently impossible breed of numbers “imaginary.”
Quanta Magazine, an editorially independent publication of the Simons Foundation whose mission is to enhance public understanding of science by covering research developments and trends in mathematics and the physical and life sciences.
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WASHINGTON - CLEO, the world-renowned conference for laser science and photonics applications, will be presented in an all-virtual format, 09 - 14 May 2021. This approach will accommodate speakers and attendees from across the globe with live and on-demand content. CLEO is co-sponsored by the American Physical Society, IEEE Photonics Society and The Optical Society (OSA).
The conference will feature over 2,000 technical presentations of invited and tutorial speakers and contributed talks, plus Special Symposia, Workshops, Applications & Technology Topical Reviews, Short Courses, special events and four distinguished plenary speakers. A virtual exhibition will include industry-focused sessions and companies showcasing market-ready technologies in all areas of lasers and photonics.
CLEO 2021 Moves to Virtual Format, Dates Unchanged | Feb 2021
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