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A Lazy Layman's Guide to Quantum Physics

A Lazy Layman's Guide to Quantum Physics
That's an easy one: it's the science of things so small that the quantum nature of reality has an effect. Quantum means 'discrete amount' or 'portion'. Max Planck discovered in 1900 that you couldn't get smaller than a certain minimum amount of anything. This minimum amount is now called the Planck unit. The meaning of quantum physics is a bit of a taboo subject, but everyone thinks about it. To make it all a bit more respectable, it is better to say 'ontology' than 'meaning' -- it's the same thing. Copenhagen Interpretation (CI) This is the granddaddy of interpretations, championed by the formidable Niels Bohr of Copenhagen university. The CI has a bit of a cheek calling itself an interpretation, because it essentially says "thou shalt not ask what happens before ye look". When you do try to take Copenhagen seriously you come to the conclusion that consciousness and particle physics are inter-related, and you rush off to write a book called The Dancing Wu-Li Masters. Consistent Histories

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Margaret Wertheim – The limits of physics Theoretical physics is beset by a paradox that remains as mysterious today as it was a century ago: at the subatomic level things are simultaneously particles and waves. Like the duck-rabbit illusion first described in 1899 by the Polish-born American psychologist Joseph Jastrow, subatomic reality appears to us as two different categories of being. But there is another paradox in play. Physics itself is riven by the competing frameworks of quantum theory and general relativity, whose differing descriptions of our world eerily mirror the wave-particle tension. When it comes to the very big and the extremely small, physical reality appears to be not one thing, but two.

New Theory Suggests Universe Could Ctrl-Alt-Delete Itself Life Get short URL It's certainly a grim thought to get your head around, but beyond mere scientific scaremongering, the theory does encourage serious debate among experts. This relates to the Higgs Field theory, also referred to as Higgs Boson, which is thought to permeate the entire universe.

Northern Light Show Visits South Nature put on one of her most spectacular shows last night when the "aurora^ borealis-northern lights . Reproduced with permission of the copyright owner. Further reproduction or distribution is prohibited without permission. Hawking at Harvard Black holes have long been painted as eternal prisons, regions of space so dense that nothing — not even light — can escape them. But the truth, Stephen Hawking told a packed Sanders Theatre this afternoon, is that the holes aren’t as black as you might think. In a session that was the hottest ticket on campus in some time, the renowned Cambridge theoretical physicist and cosmologist spoke to more than 1,000 faculty, students, and staff at Sanders, with dozens more watching at simulcast sites in the Science Center and at Jefferson Lab. Hawking’s lecture focused on his research into black holes and the information paradox, which suggests that physical information is permanently lost in such holes, a controversial notion that violates the scientific tenet that information about a system from one time can be used to understand its state at any other time. “It is said that fact is sometimes stranger than fiction, and nowhere is that more true than in the case of black holes,” Hawking said.

Parallel Universes: Theories & Evidence Is our universe unique? From science fiction to science fact, there is a proposal out there that suggests that there could be other universes besides our own, where all the choices you made in this life played out in alternate realities. So, instead of turning down that job offer that took you from the United States to China, the alternate universe would show the outcome if you decided to venture to Asia instead. The idea is pervasive in comic books and movies. For example, in the 2009 "Star Trek" reboot, the premise is that the Kirk and Spock portrayed by Chris Pine and Zachary Quinto are in an alternate timeline apart from the William Shatner and Leonard Nimoy versions of the characters. The concept is known as a "parallel universe," and is a facet of the astronomical theory of the multiverse.

Quantum physics just got less complicated Here's a nice surprise: quantum physics is less complicated than we thought. An international team of researchers has proved that two peculiar features of the quantum world previously considered distinct are different manifestations of the same thing. The result is published 19 December in Nature Communications. Patrick Coles, Jedrzej Kaniewski, and Stephanie Wehner made the breakthrough while at the Centre for Quantum Technologies at the National University of Singapore. Solar irradiance Solar irradiance is the power per unit area produced by the Sun in the form of electromagnetic radiation. Irradiance may be measured in space or at the Earth's surface after atmospheric absorption and scattering. Total Solar Irradiance (TSI), is a measure of the solar radiative power per unit area normal to the rays, incident on the Earth's upper atmosphere. The solar constant is a conventional measure of mean TSI at a distance of one astronomical Unit (AU).

A new, lower value of total solar irradiance: Evidence and climate significance - Kopp - 2011 - Geophysical Research Letters Abstract [1] The most accurate value of total solar irradiance during the 2008 solar minimum period is 1360.8 ± 0.5 W m−2 according to measurements from the Total Irradiance Monitor (TIM) on NASA's Solar Radiation and Climate Experiment (SORCE) and a series of new radiometric laboratory tests. This value is significantly lower than the canonical value of 1365.4 ± 1.3 W m−2 established in the 1990s, which energy balance calculations and climate models currently use. Scattered light is a primary cause of the higher irradiance values measured by the earlier generation of solar radiometers in which the precision aperture defining the measured solar beam is located behind a larger, view-limiting aperture. In the TIM, the opposite order of these apertures precludes this spurious signal by limiting the light entering the instrument.

Exposing PseudoAstronomy Podcast - Tree Anomalies and Images Apollo Moon Landing Conspiracy Astrology and New Age Mars Up Close Marc Kaufman Marc Kaufman is a science writer and national editor for The Washington Post. He lives outside of Washington, D.C. Visit him at www.habitablezones.com. - See more at: Dr. Matthew P.

Astrology Fails the Test of Science (2) In our first article we provided an introduction to astrology. After having defined the subject, we examined the history, prevalence, and appeal of astrology. In this second article, we will see that astrology cannot pass the test of science.

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