An illustration of a black hole. Japanese researchers calculated the internal energy of a black hole and that of a theoretical lower-dimensional cosmos. The similarities provide evidence to support the theory that the universe is a hologram. (Shutterstock*)
black hole illustration ~~ M. Weiss, Chandra X -ray Center/NASA. Holography entangles quantum physics with gravity. Some physicists have proposed that gravity has something to with quantum entanglement — the spooky connection between distant particles that befuddled Einstein. And it seems that the holographic duality identified by Maldacena has something to do with the gravity-entanglement connection.
Discovered by accident, this manuscript page provides graphical insight to astronomy in medieval times, before the Renaissance and the influence of Nicolaus Copernicus, Tycho de Brahe, Johannes Kepler, and Galileo. The intriguing page is from lecture notes on astronomy compiled by the monk Magister Wolfgang de Styria before the year 1490 at Melk Abbey in Austria.
An illustration provided by NASA shows the relative sizes of Kepler habitable-zone planets discovered as of April 18. The planets, from left, are Kepler-22b, Kepler-69c, Kepler-62e, Kepler 62f and Earth.