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By sciencebase, Section Reviews Posted on Thu Feb 28, 2008 at 02:10:26 AM PST
An unusual post for today. Obesity and overweight are forever in the news and there are countless sites that promote all kinds of easy-ride approaches to losing your gut. However, they are usually based on so much pseudoscience you would not believe. More to the point, there are lots of myths that ought to be debunked...
A new popular science book God Does Play Dice With the Universe will be published this year. The book will reveal a deep secret of nature for the first time. It is that every thing in the universe, no matter it is an atom or a ball or even a star, jumps in a random and discontinuous way. In a famous metaphor, God does play dice with the universe. The book can now be downloaded from the website http://www.quantummotion.org/. Happy reading!
By DV82XL, Section Reviews Posted on Fri May 18, 2007 at 08:30:09 AM PST
Rapid prototyping is the most common name given to a host of related technologies that are used to fabricate physical objects directly from CAD data sources. These methods are unique in that they add and bond materials in layers to form objects. Such systems are also known by the names additive fabrication, three dimensional printing, solid freeform fabrication (SFF) and layered manufacturing. Today's additive technologies offer advantages in many applications compared to classical subtractive fabrication methods such as milling or turning.
ELN - Electronic Lab Notebooks - They're here now!
By midknightr, Section Reviews Posted on Thu Apr 26, 2007 at 01:14:14 AM PST
Even before tablet PCs arrived, computers were used to organize data. However, the old paper research notebook has never budged an inch. With the advent of tablet PCs and increasingly better software, soon the paper research notebook may budge (probably only an inch though). Visit www.e-lab-book.com for a great an example. Read on for pros and cons.
By DV82XL, Section Reviews Posted on Mon Apr 02, 2007 at 11:05:30 PM PST
Atmospheric methane has more than doubled since the industrial revolution, going from 700 parts per billion to 1770 parts per billion today. Although less of it is emitted into the atmosphere than carbon dioxide, it is a more powerful greenhouse gas: one tonne of methane has the same warming effect as 21 tonnes of CO2. To compare the effects of the two gases on global warming more easily, researchers usually convert global methane emissions into CO2 equivalents. This calculation reveals that methane emissions account for nearly 18% of the warming effect of global greenhouse gas emissions.
By DV82XL, Section Reviews Posted on Wed Mar 28, 2007 at 11:16:12 PM PST
Over the next century, the amount of fossil carbon that could be extracted from various sources could be too large to be absorbed by the world's ecosystems. It is tempting to grow more trees or other biomass to increase carbon storage, to augment soils with additional carbon, to let the oceans absorb the carbon, or to simply leave the carbon in the atmosphere. However, the quantities of fossil carbon that could be used far exceed the uptake capacity of these natural sinks.
For example, the amount of fossil carbon that could be produced in the next one hundred years is several times the entire biomass carbon currently on Earth. The amounts that could be produced would be enough to make the ocean sufficiently acidic that coral growth would be stunted. Excess carbon dioxide in the air causes climate change. The magnitude of emissions reductions required to stabilize atmospheric CO2 concentrations at a level that reduces dangerous human interference with the earth's climate system is such that all plausible ideas and potential energy technologies that may contribute to reducing the emission of CO2 into the atmosphere deserve careful consideration.
By sciencebase, Section Reviews Posted on Sun Dec 03, 2006 at 10:46:27 PM PST
Now, you know you're not supposed to look directly at the Sun, right? Well, that doesn't apply if you're an astronomer with billions of dollars of equipment orbiting the nearest star to earth. And, if you happen to have some high power shades and a decent solar camera onboard then you can get some incredible snapshots of old Sol.
Handbook of Mathematics for Engineers and Scientists
By polyanin, Section Reviews Posted on Fri Oct 20, 2006 at 01:55:09 AM PST
A. D. Polyanin and A. V. Manzhirov, Handbook of Mathematics for Engineers and Scientists, Chapman & Hall/CRC Press, 2006, 1540 pages.
This concise, comprehensive compendium of mathematical definitions, methods, formulas, equations, solutions, and theorems provides the foundation for exploring scientific and technological phenomena.
By sciencebase, Section Reviews Posted on Wed Oct 11, 2006 at 11:44:03 PM PST
New Drug Discovery and Development
By Daniel Lednicer; Wiley 2006; ISBN 0-470-00750-8
Sometime SciScoop contributor Dan Lednicer is an organic chemist of considerable experience. His latest book traces the origins of some of the most popular therapeutic drugs on the market today, from penicillin and Minoxidil to Viagra and "the pill."
Now, you know you're not supposed to look directly at the Sun, right? Well, that doesn't apply if you're an astronomer with billions of dollars of equipment orbiting the nearest star to earth. And, if you happen to have some high power shades and a decent solar camera onboard then you can get some incredible 
New Drug Discovery and Development