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Showing posts with the label Isaac Newton

THE 3-BODY PROBLEM

Today is sci-tech day, but first, another White House administration blunder.  To no one's surprise, they lied again and again and again.  Today, Jeffrey Goldberg,  The Atlantic 's editor-in-chief, who President Trump called a sleaze bag,  published the full text chain of this current brouhaha . But after Trump officials insisted Tuesday that no classified material was shared in the chat ‒ and downplayed the gravity of the breach ‒ the magazine's journalists said they decided to disclose the messages to let people "reach their own conclusions." According to a story   published by Goldberg   on Wednesday morning, Hegseth at 11:44 a.m. on March 15 ‒ about 30 minutes before the first airstrikes ‒ sent an update to the group that read: "TIME NOW (1144et): Weather is FAVORABLE. Just CONFIRMED w/CENTCOM we are a GO for mission launch.” There was a lot more.   Read that article . Hawaii has 13 holidays/year, and one no other state has, Prince Kuhio Day, ...

THE HISTORY OF COLOR PHOTOGRAPHY

I've always been interested in photography, and today belong to the 15 Craigside Photo Club.  Club?  Not sure what we are.   In any case, I love colors in general, and my very favorite course in college was Color.  When did color photography begin?  Here is a You Tube lecture on the  History of Color Photograph y.  Starts slowly, but provides most of the technical details I will not cover.  Otherwise: Some say our understanding of light and color began with Englishman  Isaac Newton  when he published his experiments in 1672. But  real color photography  came nearly 200 years later when in 1861 ( note:  Civil War in America ) Scottish physicist,  James Clerk Maxwell  ( he was that person who is responsible for the classical theory of electromagnetic radiation...all those equations ).   He showed that all the colors you see can be made by an appropriate mixture of only three colors:  red, green ...