วันพฤหัสบดีที่ 2 พฤษภาคม พ.ศ. 2556

Is Bitcoin still profitable?; World’s smallest movie is made of atoms; Earth’s core is hotter than the Sun’s surface ... and more!

If you are having trouble viewing this message, please click here.
 
  Weekly
      Reviews    |     How To     |     Lab Notes     |     News    
 May 2, 2013

      I N   T H I S   I S S U E


One Bitcoin by the numbers: Is there still profit to be made?
Look on my works, ye Mighty, and despair! I have mined a Bitcoin. How much money did it cost to mine? How much power did I consume? Was it worth having a couple of noisy PCs running 24/7? Read on to find out. After you finish Sal's elucidating mining account, jump right back into the debate of whether or not Bitcoin is currency.


IBM creates world's smallest movie with a handful of precisely placed atoms
IBM's bleeding-edge nanophysicists have created the world's smallest movie (embedded below), by moving single carbon atoms around a copper surface. The film, called A Boy and His Atom, is 60 seconds long and made of 242 individual stop-motion frames, with each frame being roughly 50 atoms wide. So you have some idea of this truly minute scale, a human hair is about 1,000,000 atoms wide. If IBM so wished, it could convert A Boy And His Atom into a feature film, and still fit the frames within the width of a human hair.


Earth's core is much hotter than previously thought -- hotter than the surface of the Sun
Using a delicious combination of particle accelerators, X-rays, high-intensity lasers, diamonds, and iron atoms, scientists have worked out that the inner core of the Earth is actually 6,000 degrees Celsius -- some 1,000 degrees hotter than the previous scientific estimate. Sebastian explains that this new data could generate repercussions in the fields of geophysics, seismology, geodynamics, and other Earth-oriented scientific disciplines.


The Galaxy S4 16GB has just 8.8GB of free space. When will device makers stop lying?
If you're thinking about buying a 16GB Galaxy S4, you should probably think again: Samsung's entry-level superphone, despite being labeled as a 16GB device, comes with just 8.8GB of free storage -- or about 55% of the listed 16GB. Other smartphones, such as the 16GB iPhone 5 or 32GB Lumia 920, have almost 90% of their listed storage available for consumer use. At least the Galaxy S4 has a pretty good screen.


AMD's next-gen APU unifies CPU/GPU memory, should appear in Kaveri, Xbox 720, PS4
AMD confirmed that Kaveri will be the first chip to use its upcoming HSAfeatures and combined CPU/GPU capabilities -- but the next-generation Xbox and PS4 could have these features, too.


World's toughest material created by tying slip knots into weak, commercial thread
Nicola Pugno, at the University of Trento in Italy, has succeeded in making by far the toughest material in the world -- by taking a conventional piece of fiber... and tying it in a slip knot. This method seems (and is) so simple that the inventor is calling it the Egg of Columbus, which refers to a discovery that has eluded mankind forever -- but seems incredibly obvious and easy after the fact.


US Senate inches closer to approving historic internet sales tax bill
The internet has long been a haven for those among us who want to get around sales tax in the United States. Grant explains that, now, it looks like the Senate is working hard on making sure any applicable sales tax is collected at the time of sale. After a procedural vote passed 63-to-30, the final vote is set for May 6th. David reminds you that the internet isn't a tax free zone, so you should get over it.


Featured Research
Remote Working WP
What the trend to remote working means for your business.
VoIP Continuity
Business Continuity Planning with VoIP
Considerations for UC
Five IT Considerations for UC in the Contact Center
eNewsletter Information

   You are subscribed to ExtremeTech Update with the e-mail address pctipworld@gmail.com.
   To unsubscribe from this newsletter, click here.
   To change your email address, change your delivery format, or to subscribe to our other FREE email newsletters, click here.

Copyright © 2013 Ziff Davis, Inc. All Rights Reserved. Ziff Davis, Inc., 28 East 28th Street, New York, NY 10016

ไม่มีความคิดเห็น:

แสดงความคิดเห็น

 

Blogger news

Blogroll

NosLia Blog - Computer IT

About