The surprising discovery of "square ice" which forms at room temperature was made by an international team of researchers last week. The study was published in Nature by a team of scientists from UK and Germany led by Andre Geim of University of Manchester and G. Algara-Siller of University of Ulm. The accompanying review article was done by Alan Soper of Rutherford Appleton Laboratory in UK. "We didn't expect to find square ice ... We found there is something strange in terms of water going through [nanochannels]. It's going too fast. And you can't explain that by just imagining a very thin layer of liquid. Liquids do not behave in that way. The important thing to realize is that it is ice in the sense of a crystallized structure, it's not ice in the familiar sense in that it's something cold and from which you have to protect yourself," said Professor Irina Grigorieva, one of the researchers. To study the molecular structure of water inside a transparent nanoscale capillary, the team used electron microscopy. This enabled them to view individual water molecules, especially because the nano-capillary was created from graphene which was one atom thick and would not impair the electron imaging. Graphene was also chosen because it has unusual properties like conducting electricity and extreme strength. It's a 2D form of carbon that once rolled up in cylinders will form a carbon nanotube, a material, which according to The Koyal Group Info Mag, is a subject of further study because of its unusual strength. The scientists themselves were admittedly surprised at finding out that small square-shaped ice crystals formed at room temperature where the graphene capillaries are narrow (3 atomic layers of water at most). The water molecules formed into square lattices arranged in neat rows -- an arrangement that is uncharacteristic for the element that is known for forming consistent triangular structures inside regular ice. This discovery may just be the first example of water behavior in nanostructure. The Koyal Group Info Mag reports that scientists have been trying to understand for decades how water structure is affected when it is confined in narrow channels. It is only now that this becomes possible through computer simulations, but even with those, the results they get do not agree with each other. The team is also trying to determine how common this square ice actually is by using computer simulations. And from what they've learned, if the water layer is thin enough, it could create a square ice regardless of the chemical properties of the nanopore's walls where it is confined. Since there is water practically everywhere -- in microscopic pores and monolayers on surfaces -- it is likely that square ice is actually very common in nature. Aside from its more practical applications in water distillation, desalination and filtration, their finding also allows for a better understanding of how water behave at a molecular scale which is important in nanotechnology work.
As a regular IdeaStorm user, I have spent a lot of time walking through and reporting pages and pages of obvious spam. Here are some suggestions as to how we could handle this: Require moderation of first idea/comment. This approach has proven very effective on other forums. Throwaway spam accounts become ineffective as the spam never appears on the site, only showing up in the moderation queue. The downside is that good ideas from a new user have to wait for a moderator to approve them; the small group of moderators we have may struggle with response times.Implement a spam filter. Frankly, the Axis Capital spams are getting old, as are the meaningless ugly random-number and repeated-phrase spams. I believe that a Bayesian approach could go a long way towards cancelling out these spams.Add more moderators. All that is required is the ability for a minor moderator to hide posts until a Real Moderator can verify that the post or comment is a spam. This is low-risk moderation power because it is non-destructive and very easy to control. These are just some ideas I have come up with, I'm sure there a lot more great ones out there. Feel free to comment with better suggestions or caveats that I didn't notice!
I think Dell should refresh their Precision line as it looks very outdated. How about if Dell introduces SLI/CrossFire option and Precision Graphics Amplifier?Hence, options such as Dual AMD FirePro M6100 or Nvidia Quadro M6000 in-a-Precision Graphics Amplifier will be available.Precision laptops are comparable to Alienware. At the same time, heavy desktop professional GPUs such as Quadro K5200 will always outperform mobile professional GPU.Highly mobile users should be able to choose multi-GPU setups while less mobile users should be able to pair heavy GPUs to their Precision.
This has been an idea that I wanted to share ever since I started applying for positions within Dell. While not employed yet with Dell, but working as an Engineer within a Telecom company, I ask myself is it time for Dell to jump back into the smartphone business. Dell left the smartphone business officially at the end of 2012. But before I go forward with my argument, I wanted to see the response this generates…maybe none……maybe yes they should….maybe no! I will be writing my opinion and ideas on the subject matter on the following points: To go forward with this idea, has Dell learn from the past? Can they compete in this new market? Can Dell create and design a great smartphone that will sell? What type of mobile strategy can Dell develop and execute successfully? How do you get buy-in?
Generally PC, except it convenient 11inchi following items or tablet PC to mobile, consider that it is often used on a desk. If you want to use on the desk, even be forgiven if it is about SD card, type the tray comes out next, such as a CD, you will need a space for that. If the documents are working to put a lot near, it is very inconvenient that movement is required. Therefore, the slot and the CD tray of SD card, I would like attached to the operator side. Also, if possible, microphone, earphone jack, jack of cables, such as USB is, to horizontal is preferred, so as not to interfere with the mouse operation, I want attached to as much as possible the screen closer. I'm sorry to be able to have the appropriate English expression.
Categories: Accessories (Keyboards, etc.),
For business or personal trip, I always carry a laptop and a cell phone. I have had several wireless mouse(s), but I have broken the small USB connector several times. BUT, if you had an app that would link your cell phone to your laptop/computer and use your cell as a mouse, you would never need a traditional mouse again. For travel this would be perfect. I use the mouse pad on my Dell laptop all the time, I am so used to using a mouse at work, its a hard transition.
Same as normal amplifier expect it supports flagship desktop GPU in 2-way SLI/CrossFireX (single chip cards only so no double Titan Z or R9 295X2, alienware is meant for regular gaming not setting world records), desktop Intel K or X CPU (AMD equivalent) and a 1000 watt 80 Plus Gold PSU (to give you plenty of overvolting and future upgrade headroom).
This desk look like a normal desk but can be used for everyday school activity. All the students in the classroom will have their own desk and the teacher will have one big desk. Keep in mind all these desk are touch screen so it will make it much more enjoyable for everyone. On his desk the teacher is able to send work to the students so no paper will be used. The student will also be able to type on here and able to take test. Whatever is on the students desk can be shown on the projected screen. Not only will this make learning easier and fun but it will also make it cheaper for the schools due to not having to pay for paper because everything can be done online.
Build some monitors, gaming and Ultra-sharp monitor with this G-sync or Free-sync technology from Nvidia and AMD. I love Dell craftmanship on their monitors and I know there will be demand for these type monitors.
hi everyone i just found a new pc system not binary for best performance