Smart cities built with smart materials | Science
March 21, 2021Amazon.com: Freedom’s Forge: How American Business Produced Victory in World War II eBook: Herman, Arthur: Kindle Store
March 21, 2021Sunlight Changes Unequally All Year Long – Scientific American
March 21, 2021https://www.scientificamerican.com/article/sunlight-changes-unequally-all-year-long/
Today is the Vernal #Equinox. Related to this, found this graphic from @SciAm illuminating. It implies that today has the greatest gain in daylight for the year. (~3′ increase here in New England.)
https://twitter.com/RobinLloyd99/status/1364577227132780546
6:56 AM
Friday, March 19, 2021 (EDT)
Sunrise in Branford, CT
7:02 PM
Friday, March 19, 2021 (EDT)
Sunset in Branford, CT
6:54 AM
Saturday, March 20, 2021 (EDT)
Sunrise in Branford, CT
7:04 PM
Saturday, March 20, 2021 (EDT)
Sunset in Branford, CT
