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Optics

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Optics

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Full-Text Articles in Physics

Characterization Of Pollen Particles Using Lidar, Leda Sox Oct 2010

Characterization Of Pollen Particles Using Lidar, Leda Sox

Leda Sox

We have observed pollen in the local troposphere using the depolarization capabilities of a LIDAR (Light Detection and Ranging) system. The polarization characteristics of the received LIDAR signal, along with supplemental pollen forecast data, allowed me to characterize the shape of the pollen particles.


More On Twinkling, Terry L. Smith, Jay S. Huebner May 1994

More On Twinkling, Terry L. Smith, Jay S. Huebner

Terry L. Smith

Addendum to Why Magnification Works , The Physics Teacher, 1994, 32, 102.


Why Magnification Works, Terry L. Smith, Jay S. Huebner Feb 1994

Why Magnification Works, Terry L. Smith, Jay S. Huebner

Terry L. Smith

The simplest way to magnify the view of a small object is to bring the object closer to the eye, and of course science teachers know about magnifying glasses, telescopes, and microscopes.But why magnification works seems intuitive and is not usually explained to our students. We present here a few ideas on magnification that we use in our classroom and some general information on vision that we hope will be helpful to other teachers.