Updating to solar


18-Mar-2017 14:37

Free: Aurora Alerts Frankie Lucena of Puerto Rico frequently scans the automated Gemini webcam on Hawaii's Mauna Kea volcano, looking for sprites and other forms of exotic lightning. The source of the crystals, in this case, was probably a bank of altostratus/cumulus clouds shown in the video."I do not recall seeing examples of these pillars so far south or in a location like Hawaii," says atmospheric optics expert Les Cowley.

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These balloons are equipped with radiation sensors that detect cosmic rays, a surprisingly "down to Earth" form of space weather.

31, 2017, the students of Earth to Sky Calculus flew a payload-full of these heart-shaped pendants to the stratosphere, 35.1 km (115,158 feet) above Earth's surface. Sales of this pendant support the Earth to Sky Calculus cosmic ray ballooning program and hands-on STEM research.



NOTICE NREL will be updating a few PVWatts ® default values, for example the default DC to AC Ratio changes to 1.2 from 1.1. Note that you will still be able to.… continue reading »


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Feb 23, 2017. John Smith is a homeowner in California looking to reduce his electric bill by going solar and he decided to call an installation company that he found on the internet. The next day, a rep from XYZ Solar came out to his house and, after looking at his electric bill, told John that he would need a 8.5kW PV.… continue reading »


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