Astronomy & Space Science
mobi |eng | 2012-02-07 | Author:Carl Sagan

PLANETARY SCIENCE fosters a broad interdisciplinary point of view that proves enormously helpful in discovering and attempting to defuse these looming environmental catastrophes. When you cut your teeth on other ...
( Category: Astronomy & Space Science February 7,2018 )
mobi |eng | 2012-02-07 | Author:Carl Sagan [Sagan, Carl]

* As an aid to confusion, Ionia is not in the Ionian Sea; it was named by colonists from the coast of the Ionian Sea. This revolution made Cosmos and ...
( Category: Astronomy & Space Science February 7,2018 )
mobi |eng | 2012-02-07 | Author:bryson,bill

A Short History of Nearly Everything CHAPTER 17: INTO THE TROPOSPHERE THANK GOODNESS FOR the atmosphere. It keeps us warm. Without it, Earth would be a lifeless ball of ice ...
( Category: Essays & Commentary February 7,2018 )
epub |eng | 1998-07-15 | Author:Stephen Hawking [Hawking, Stephen]

A Brief History of Time CHAPTER 8 THE ORIGIN AND FATE OF THE UNIVERSE Einstein’s general theory of relativity, on its own, predicted that space-time began at the big bang ...
( Category: Astronomy & Space Science February 7,2018 )
epub |eng | 2010-09-15 | Author:Stephen Hawking;Leonard Mlodinow [Mlodinow, Stephen Hawking;Leonard]

The first force for which a quantum version was created was electromagnetism. The quantum theory of the electromagnetic field, called quantum electrodynamics, or QED for short, was developed in the ...
( Category: Astronomy & Space Science February 7,2018 )
epub |eng | | Author:Unknown

Part Three 2009 It surprised no one to learn that Michael Beard had been an only child, and he would have been the first to concede that he never quite ...
( Category: Astronomy & Space Science February 7,2018 )
epub |eng | 2013-02-05 | Author:New Scientist

Depressed after splitting up with his girlfriend, Derek Adams took all his pills … then regretted it. Fearing he might die, he asked a neighbour to take him to hospital, ...
( Category: Mathematics February 5,2018 )
epub |eng | 2017-01-31 | Author:Tristan Gooley

ONCE WE ARE used to seeing the landscape as a series of habitats, we can begin to ask and answer more interesting questions. And we will find a large number ...
( Category: Individual Sports January 31,2018 )
epub |eng | 2017-11-07 | Author:Will Kalif

This is the most famous of all the open clusters, often referred to as “the Seven Sisters.” This asterism of stars is an excellent test of your eyesight and of ...
( Category: Astronomy & Space Science January 31,2018 )
mobi |eng | 2006-01-24 | Author:Mike Mullane

Chapter 22 Coming to America The next morning we prepared for reentry. We scrubbedDiscovery ’s walls and windows clean. An earlier crew had turned over a dirty vehicle to their ...
( Category: Professionals & Academics January 30,2018 )
epub |eng | | Author:Hermann Lühr, Johannes Wicht, Stuart A. Gilder & Matthias Holschneider

( Category: Astronomy & Space Science January 29,2018 )
epub |eng | 2011-02-17 | Author:Leonard Susskind & James Lindesay [Susskind, Leonard & Lindesay, James]

October 25, 2004 15:0 WSPC/Book Trim Size for 9in x 6in blkhlphy 88 Black Holes, Information, and the String Theory Revolution VVV Singularity VVVVV X+ -X = (MG)2 VV + ...
( Category: Physics January 24,2018 )
epub |eng | 2010-04-14 | Author:Sean M. Carroll [Carroll, Sean M.]

COLLAPSE OF THE WAVE FUNCTION The thing about this discussion that tends to rub people the wrong way—and with good reason—is the crucial role played by observation. When we observed ...
( Category: Physics January 24,2018 )
epub |eng | 2011-02-17 | Author:Carlo Rovelli [Rovelli, Carlo]

Q U A N T U M G R A V I T Y This entropy, S, is given by the famous Bekenstein–Hawking 3 Spinfoam formula, S = Ak B ...
( Category: Astronomy & Space Science January 24,2018 )
epub |eng | 2011-02-19 | Author:Don S. Lemons [Lemons, Don S.]

P R O B L E M S 4 9 we find that p( x, t) solves the classical diffusion equation ∂ p( x, t) δ2 ∂2 = p( x, ...
( Category: Physics January 24,2018 )