Arthur Ramthun: Plant Electrotropism | EU2015

EU2015 Arde Ramthun 150X165

Plant electrotropism is plant response to natural internal and external electrical forces. Voltage recordings done on a variety of trees and plants show very large numbers of electrons continuously flowing towards branch tips, with or without leaves. Using voltage recordings, ohm measurements, the strength of Earth’s electric field from references,…

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Double Trouble

    Mar 9, 2106 It is not possible to tell if stars are old or young based on their colors or temperatures. A recent press release from the European Southern observatory (ESO) reports that double star IRAS 08544-4431 is surrounded by a dusty disk. What makes the discovery so…

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Mighty in Heaven

  Mar 8, 2016 One more year to go. The dice of Zeus always fall luckily. — Sophocles Editor’s note: Originally published August 2015. NASA launched the Juno Mission to Jupiter on August 5, 2011. After traveling out past the orbit of Mars, the spacecraft returned for a gravity assist from…

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Old and Far Away

  Mar 7, 2016 The Big Bang theory states that for some reason (not explained) an irruption of energy from some other realm replaced “nothingness” with what was to become the present Universe. The theory was proposed because Edwin Hubble, using the recently completed 100-inch telescope at Mt. Wilson observatory,…

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Arcos Rojos

  Mar 3, 2016 What causes colorful streaks on Tethys? As reported in previous Pictures of the Day, maps of Mimas, Enceladus, Rhea, and Dione show that they are red to some degree. All the latest maps indicate that most of them are redder on their trailing hemispheres. No one is…

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