Drones and the Law June 27th 2016 - 01:50 PM

Laws are different in different countries and I can’t possibly know all the legislation, so what I have to say here should not be taken as a final word on anything. The purpose of this article is to alert the reader to what he or she will need to f…

Drones - The Science Part of Flying May 12th 2016 - 03:00 PM

Anyone can buy and fly a UAV-drone. All the exhibits at this year’s NAB show made that obvious. What was typically glossed over were the finer points of the flight science that makes them work—and why drones can make a less-than-perfect camera platform. Helicopter and UAV pilot John Wat…

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Color and Colorimetry – Part 2 July 3rd 2019 - 11:00 AM

At one time the only repeatable source of light on Earth was the sun. Later it was found that if bodies were made hot enough, they would radiate light. Any treatment of illumination has to start with the radiation from heated bodies.

LEDs Change Production Lighting June 21st 2019 - 08:00 AM

LED lights have fundamentally changed the art of light and shadow. Long gone are the days of heavy, hot lights connected with thick cables and noisy generators. Today’s LED lights are compact, battery-operated and cool enough to be easily handled by a single person.