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Australian scientists discover new immune cell Red blood cells (red) and platelets (orange) amidst different immune cells. The newly discovered cell belongs to the family of lymphocytes, here depicted in blue. Credit: STEVE GSCHMEISSNER / SGS / Science Photo Library LONDON: A new type of white blood cell that plays an important role in the immune system has been discovered by Australian scientists. This research, published in the current issue of Nature Immunology, could improve our understanding of conditions such as infections and cancer, and may help develop new therapies for these diseases. “The discovery of these cells was accidental,” said Adam Uldrich, a biomedical researcher at the University of Melbourne and one of the investigators in the study. “We observed a population of cells that we did not expect to find. How immune cells sense their enemy A large family of immune cells, called T-cells, have special receptors on their surface to identify invading germs. Discovering unknown cell Synchrotron fast-tracking research
Streaming Guide - Listing Free Online TV Shows Legally Available for Streaming in Canada or the USA Lucid Dreaming/Using Dream stabilization[edit] Once you are able to dream lucidly, you may find that it is difficult to stay in the dream; for example, you may wake instantly or the dream may start “fading” which is characterized by loss or degradation of any of the senses, especially vision. Alternatively, a new lucid dreamer could easily forget that they are in a dream, as a result of the shock of the sensation. Don't worry if you wake immediately after becoming lucid. You can avoid more gradual fadings by stimulating your senses. Ideally you should be able to use the techniques below to stabilize your dream before it starts to fade (or “black out”). If you still can’t stabilize your dream, you may decide to try and wake up with the aim of remembering your dream as accurately as possible while its still fresh in your mind. Hand Touching[edit] Rub your hands together and concentrate on the rubbing. Spinning[edit] You spin around in your dream much as you would if you suddenly want to feel dizzy in real life.
Free Portable Software USB Flash Drive Applications | Pendriveapps Japanese breakthrough will make wind power cheaper than nuclear NOTE: Some major wind projects like the proposed TWE Carbon Valley project in Wyoming are already pricing in significantly lower than coal power -- $80 per MWh for wind versus $90 per MWh for coal -- and that is without government subsidies using today's wind turbine technology. The International Clean Energy Analysis (ICEA) gateway estimates that the U.S. possesses 2.2 million km2 of high wind potential (Class 3-7 winds) — about 850,000 square miles of land that could yield high levels of wind energy. This makes the U.S. something of a Saudi Arabia for wind energy, ranked third in the world for total wind energy potential. The United States uses about 26.6 billion MWh's, so at the above rate we could satisfy a full one-third of our total annual energy needs. Now what if a breakthrough came along that potentially tripled the energy output of those turbines? Well, such a breakthrough has been made, and it's called the "wind lens." Editor's note: Want more info?
The PutPlace Blog » Blog Archive » Cheat Sheet: How To Get 124 GB in Free Online Storage While PutPlace has a different take on backing up your digital life, there’s no denying that we’re in the online storage space. As such, we’re always keeping an eye on what other players are doing. In the process of our research, we compiled a big spreadsheet that records, among other things, how much free storage space each service offers. We thought we’d share it with the world, in case you needed to store, like, every episode of The Simpsons online. A few caveats: we ignored email services like Gmail, and any service that offered less than 250 MB of free storage. For the record, here at PutPlace we offer 2 GB for free. With no further ado, here’s the big list: Tags: backup , competition , digital life , free storage , online storage , virtual storage , web storage
Linear algebra for game developers ~ part 1 When I posted about decals last week, a number of readers commented that they would be interested in posts about linear algebra as it applies to game development. I decided if I'm going to write about that, I might as well start at the beginning! This will be review to many of you who have written games before or taken classes in kinematic physics, so please bear with me for this introductory post -- I will get to more advanced topics later. Why do we care about linear algebra? Linear algebra is the study of vectors. What is a vector? In games, vectors are used to store positions, directions, and velocities. The position vector indicates that the man is standing two meters east of the origin, and one meter north. As you can see, a vector by itself is just a set of numbers -- it is only given meaning by its context. For this reason, it's important to keep track of your units. Now that we've gone over the basics of vectors, we need to know how to use them. Vector addition Vector subtraction
Screws Small Encyclopedia Sometimes Sometimes You do not know, what screw you need to turn this piece of furniture. That is why this little encyclopedia was created. Screws Head Style Drive Types Washer Type Nut Types by Boltdepot.com Behind Intel's New Random-Number Generator Imagine that it's 1995 and you're about to make your very first online purchase. You open your Netscape browser, sipping coffee as the home page slowly loads. You then navigate to Amazon.com, a new online bookstore your friend told you about. As you proceed to make your purchase and enter your payment information, the address your browser points to changes from one starting with “http” to one that begins with “https.” That signals that your computer has established an encrypted connection with Amazon's server. This allows you to send credit card information to the server without worrying that an identity thief will intercept the transmission. Unfortunately, your first online transaction was doomed from the start: It will soon be discovered that the supposedly secure transfer protocol your browser just followed wasn't very secure after all. The problem was that the secret keys Netscape was using weren't random enough. We and our colleagues at Intel think this should be easier.
Repairing Windows XP in Eight Commands « Icrontic Tech Note: This article is now available on the Amazon Kindle Bookstore: Repairing Windows XP in Eight Commands. Download a convenient e-book version of this article to keep at your side while you repair your computer. Every IT tech from casual to professional should have a copy of this handy reference on their e-reader! Most of us have seen it at one time or another; perhaps on our own PC, the PC of a loved one, or perhaps a PC at your place of employment. The system spends weeks or months operating in a smooth fashion, taking you to the far reaches of the wide, wibbly web, and after one particularly late evening of browsing and gaming, you shut your PC off and go to bed. Millions of people across the globe do just this every night, but a few of us have turned our PCs on the next day not to the standard Windows XP loading screen, but instead this dreaded error: Windows could not start because the following file is missing or corrupt: Select ‘R’ at the first screen to start repair.
Hands-On With Sony’s New Wedge-Shaped Tablet S | Gadget Lab Still got tablet fever? Somebody must, because they just keep coming. Sony unveiled the final versions of its two new Android tablets Wednesday. These are the same two devices we saw last month — the curvy, wedge-shaped full-sized tablet is now called the Sony Tablet S, and the dual-screen tablet that folds up into a pocket-sized burrito is now called the Sony Tablet P. The Tablet S will land in stores this September, priced at $500 for a 16GB version and $600 for the 32GB version. From the front, the S looks like every other tablet: boring, shiny and flat. The hardware was officially announced at the IFA trade show in Berlin. From the front, the S looks like every other tablet: boring, shiny and flat. This goes against the unspoken Code of Tablet Design, which mandates thinness above all else, and from which we’ve seen very little deviation. The screen is lovely. Two unfortunate things to note. We did see some demos of the apps that will be shipping with the Tablet S.