منابع مشابه
A Brief History of Time ( Constants ) ' Computation
That the cerebral cortex processes information at prodigious speeds cannot be doubted. Yet the passive time constant •*„ of neurons, often thought of as a measure of the neuron's "response time" to synaptic input is relatively long. In the 1950s, T O was estimated to be only a few milliseconds for mammalian central neurons; with improvement in recording techniques, its estimated value grew over...
متن کاملA brief history of time-lapse.
Time-lapse is used for imaging the dynamics of living cells and tissues with the light microscope. The technique involves recording a single microscope field at intervals of lapsed time, along with keeping the specimen alive and in good health on the microscope stage throughout the experiment. When the full sequence of images is subsequently played back as a movie, the event is speeded up in pr...
متن کاملA Brief History of Time - Stephen Hawking
Chapter 2 Space and Time Chapter 3 The Expanding Universe Chapter 4 The Uncertainty Principle Chapter 5 Elementary Particles and the Forces of Nature Chapter 6 Black Holes Chapter 7 Black Holes Ain't So Black Chapter 8 The Origin and Fate of the Universe Chapter 9 The Arrow of Time Chapter 10 Wormholes and Time Travel Chapter 11 The Unification of Physics Chapter 12 Conclusion Glossary Acknowle...
متن کاملA Brief History of Time Travel.
This is a very reasonable book that should be read. The following may offer you the way to get this book. It is actually ease. When the other people must walk around and go outside to get the book in the book store, you can just be by visiting this site. There is provided link that you can find. It will guide you to visit the book page and get the a brief history of time travel. Done with the d...
متن کاملa brief history of zero
it is generally recognised that ‘zero’ as we understand the concept today originated in two geographically separated cultures: the maya and indian. however, if zero merely signified a magnitude or a direction separator (i.e. separating those above the zero level from those below the zero level), the egyptian zero, nfr, dating back at least four thousand years, amply served these purposes. if ze...
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ژورنال
عنوان ژورنال: Pigment Cell & Melanoma Research
سال: 2010
ISSN: 1755-1471
DOI: 10.1111/j.1755-148x.2010.00779.x