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TLE…transient luminous event captured on video from a thunderstorm

Guest essay by Mike Alger, Chief Meteorologist,KTVN-TV,Reno, NV Here’s something you don’t see every day. Flying a mission for the Air Force, Capt. Ryan McGuire started rolling some video (I believe with an iPhone through night vision goggles) of a very active thunderstorm cell somewhere over the Indian Ocean. Hoping to just catch some of…

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Optical Antics at Sunset

My lovely and talented wife has a habit of being in the right place at the right time to capture nature doing interesting things. This particular shot was taken by cell phone from a moving vehicle in Northern California last night and shows something I’ve never seen before. Those of you looking for the elusive…

The R. W. Wood Experiment

Guest Post by Willis Eschenbach Pushed by a commenter on another thread, I thought I’d discuss the R. W. Wood experiment, done in 1909. Many people hold that this experiment shows that CO2 absorption and/or back-radiation doesn’t exist, or at least that the poorly named “greenhouse effect” is trivially small. I say it doesn’t show…

Disney research figures out “twinned rainbow” optics

From Disney Research (who knew?) Researchers unlock secret of the rare ‘twinned rainbow’ ZURICH — Scientists have yet to fully unravel the mysteries of rainbows, but a group of researchers from Disney Research, Zürich, UC San Diego, Universidad de Zaragoza, and Horley, UK, have used simulations of these natural wonders to unlock the secret to…