Games |
- X-Plane 10.03 Release 1 - Ultra-realistic flight simulator.. (Updater)
- Where do you buy your games? We're guessing it isn't HMV if the company's plans are anything to go by
- Remote Sensing, Vol. 4, Pages 160-179: Scaling Effect of Area-Averaged NDVI: Monotonicity along the Spatial Resolution
- Entropy, Vol. 14, Pages 58-73: Thermodynamic Modeling for Open Combined Regenerative Brayton and Inverse Brayton Cycles with Regeneration before the Inverse Cycle
- n-Track 1.16 - Audio and MIDI multitrack recorder.. (Demo)
- MuteMyMic 1.5 - Control selected input volume from your status bar.. (Commercial)
- Metals, Vol. 2, Pages 22-40: Nanocrystalline Metal Hydrides Obtained by Severe Plastic Deformations
- Sensors, Vol. 12, Pages 704-731: Underwater Sensor Networks: A New Energy Efficient and Robust Architecture
- Sensors, Vol. 12, Pages 686-703: A Feedfordward Adaptive Controller to Reduce the Imaging Time of Large-Sized Biological Samples with a SPM-Based Multiprobe Station
- Researcher: T-Mobile UK is secretly disrupting secure communications, leaving customers vulnerable to spying
- Man accused in convenience store gambling raid
- Algorithms, Vol. 5, Pages 1-17: Compression-Based Tools for Navigation with an Image Database
- Molbank, Vol. 2012, Pages M747: 5,11,17,23-Tetra-tert-butyl-25-(2’-pyridylmethylamidocarbonylmethyl)-calix[4]arene
- Remote Sensing, Vol. 4, Pages 135-159: Modeling Forest Structural Parameters in the Mediterranean Pines of Central Spain using QuickBird-2 Imagery and Classification and Regression Tree Analysis (CART)
- Marine Drugs, Vol. 10, Pages 64-83: Marine Compounds Selectively Induce Apoptosis in Female Reproductive Cancer Cells but Not in Primary-Derived Human Reproductive Granulosa Cells
- Molecules, Vol. 17, Pages 645-656: Synthesis of New Liquid Crystalline Diglycidyl Ethers
- Molecules, Vol. 17, Pages 613-644: Investigating the Spectrum of Biological Activity of Substituted Quinoline-2-Carboxamides and Their Isosteres
- IJMS, Vol. 13, Pages 683-697: Probing Kinetic Mechanisms of Protein Function and Folding with Time-Resolved Natural and Magnetic Chiroptical Spectroscopies
- IJMS, Vol. 13, Pages 665-682: Use of Linear Free Energy Relationships (LFERs) to Elucidate the Mechanisms of Reaction of a γ-Methyl-β-alkynyl and an ortho-Substituted Aryl Chloroformate Ester
- The Unknown
| X-Plane 10.03 Release 1 - Ultra-realistic flight simulator.. (Updater) Posted: 10 Jan 2012 03:43 AM PST  X-Plane is the world's most comprehensive, powerful flight simulator, and has the most realistic flight model available for personal computers. Welcome to the world of props, jets, single- and multi-engine airplanes, as well as gliders, helicopters and VTOLs such as the V-22 Osprey and AV8-B Harrier. X-Plane comes with subsonic and supersonic flight dynamics, sporting aircraft from the Bell 206 Jet-Ranger helicopter and Cessna 172 light plane to the supersonic SR-71 and Space Shuttle. X-Plane comes with 35 aircraft spanning the aviation industry (and history), and several thousand more are freely downloadable from the internet. (See www.X-Plane.org as a good place to start). X-Plane scenery is world-wide, with scenery for the entire planet Earth between 74 degrees north to 60 degrees south latitude. We also have MARS scenery! (thanks to the Mars Orbiting Laser Altimeter, which mapped that planet's elevation). On Earth, you can land at any of over 33,000 airports, as well as test your mettle on aircraft carriers, helipads on building tops, frigates that pitch and roll in the waves, and oil rigs. Weather is variable from clear skies and high visibility to thunderstorms with controllable wind, wind shear, turbulence, and microbursts! Rain, snow and clouds are available for an instrument flying challenge, and thermals are available for the gliders! Real weather conditions can be downloaded from the internet, allowing you to fly in the actual weather that currently exists at the location of flight! X-Plane also has detailed failure-modeling, with multitudes of systems that can be failed manually or randomly, when you least expect it! You can fail instruments, engines, flight controls, landing gear, or dozens of other systems at any moment. While X-Plane is the world's most COMPREHENSIVE flight sim, your purchase also comes with Plane-Maker (to create your own airplanes) Airfoil-Maker (allowing users to create airfoil performance profiles), and Weather Briefer (to get a weather briefing before the flight if you use real weather conditions downloaded from the internet). X-Plane is also extremely customizable, allowing you to easily create textures, sounds, and instrument panels for your own airplanes that you design or the planes that come with the sim. X-Plane's accuracy (in flight model), scope (in aircraft and terrain coverage), versatility (in aircraft type and weather conditions), add-on programs (in aircraft and scenery editors), customizability, downloadable aircraft, and downloadable scenery makes it the ULTIMATE flight simulation experience for Macintosh, Windows, and Linux platforms. BE SURE TO TURN ON THE >BETA< option in the installer before you run it to get the beta! The demo contains a limited scenery area to keep the download size reasonable. It will run for 10 minutes before it begins to ignore the user's input, at which point the simulator must be restarted to fly more. Version 10.03 Release 1:X-Plane 10.03 Release 1: Performance:
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| Posted: 10 Jan 2012 03:16 AM PST |
| Posted: 10 Jan 2012 12:00 AM PST Changes in the spatial distributions of vegetation across the globe are routinely monitored by satellite remote sensing, in which the reflectance spectra over land surface areas are measured with spatial and temporal resolutions that depend on the satellite instrumentation. The use of multiple synchronized satellite sensors permits long-term monitoring with high spatial and temporal resolutions. However, differences in the spatial resolution of images collected by different sensors can introduce systematic biases, called scaling effects, into the biophysical retrievals. This study investigates the mechanism by which the scaling effects distort normalized difference vegetation index (NDVI). This study focused on the monotonicity of the area-averaged NDVI as a function of the spatial resolution. A monotonic relationship was proved analytically by using the resolution transform model proposed in this study in combination with a two-endmember linear mixture model. The monotonicity allowed the inherent uncertainties introduced by the scaling effects (error bounds) to be explicitly determined by averaging the retrievals at the extrema of theresolutions. Error bounds could not be estimated, on the other hand, for non-monotonic relationships. Numerical simulations were conducted to demonstrate the monotonicity of the averaged NDVI along spatial resolution. This study provides a theoretical basis for the scaling effects and develops techniques for rectifying the scaling effects in biophysical retrievals to facilitate cross-sensor calibration for the long-term monitoring of vegetation dynamics. |
| Posted: 10 Jan 2012 12:00 AM PST A thermodynamic model of an open combined regenerative Brayton and inverse Brayton cycles with regeneration before the inverse cycle is established in this paper by using thermodynamic optimization theory. The flow processes of the working fluid with the pressure drops and the size constraint of the real power plant are modeled. There are 13 flow resistances encountered by the working fluid stream for the cycle model. Four of these, the friction through the blades and vanes of the compressors and the turbines, are related to the isentropic efficiencies. The remaining nine flow resistances are always present because of the changes in flow cross-section at the compressor inlet of the top cycle, regenerator inlet and outlet, combustion chamber inlet and outlet, turbine outlet of the top cycle, turbine outlet of the bottom cycle, heat exchanger inlet, and compressor inlet of the bottom cycle. These resistances associated with the flow through various cross-sectional areas are derived as functions of the compressor inlet relative pressure drop of the top cycle, and control the air flow rate, the net power output and the thermal efficiency. The analytical formulae about the power output, efficiency and other coefficients are derived with 13 pressure drop losses. It is found that the combined cycle with regenerator can reach higher thermal efficiency but smaller power output than those of the base combined cycle at small compressor inlet relative pressure drop of the top cycle. |
| n-Track 1.16 - Audio and MIDI multitrack recorder.. (Demo) Posted: 10 Jan 2012 03:34 AM PST  n-Track Studio is an audio & MIDI multitrack recorder that turns your Mac into a full-fledged recording studio. You can record and playback a virtually unlimited number of audio and MIDI tracks. The program supports simultaneous recording from multiple 16 and 24 bit soundcards, and real-time audio effects can be applied non-destructively to each track. Built-in effects include Multiband Compression, Delay, Graphic EQ, Pitch Shift and time stretch, Parametric EQ and spectrum analyzer with guitar tuner. The program can use third party AU and VST plug-ins to process in real-time audio signals. Effect can also be used to process the recorded signal in real-time so that the computer can act as a multi-effects device.MIDI tracks can be imported end exported to regular MIDI files, and edited using the built in piano-roll based MIDI editing window. The program supports AUi and VSTi instruments plug-ins for sample accurate software MIDI playback. All the audio tracks are saved as standard wave files and mixed "on the fly" during playback.
Mac OS X 10.5 or later Download Now |
| MuteMyMic 1.5 - Control selected input volume from your status bar.. (Commercial) Posted: 10 Jan 2012 02:23 AM PST  MuteMyMic is a simple, yet useful application It allows you to control the volume of currently selected input. MuteMyMic shows its presence by adding a new icon into the menu bar. This icon allows you to adjust the volume of the input exactly the same way as output volume adjustment works. In addition to that, MuteMyMic provides keyboard shortcuts to decrease (F5) and increase volume (F6). You can also use fast-mute (option+F5) and fast-max-volume (option+F6). One great benefit of the application is that it works in background and allows you to control the input's volume with a single key or mouse click while at the same time you can enjoy your favorite applications that require your mic. So, now you can adjust volume of your Internet phone calls right from the keyboard shortcuts. You can always quit the application by performing secondary click on the menu icon (Right-Click/Ctrl+Click). Version 1.1 introduces ability to show/hide application with Dock. You can set this settings via Preferences menu. If you prefer PayPal or would like to check the application before you buy it, it is still available via product page: http://mutemymic.com Version 1.5:
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| Metals, Vol. 2, Pages 22-40: Nanocrystalline Metal Hydrides Obtained by Severe Plastic Deformations Posted: 10 Jan 2012 12:00 AM PST It has recently been shown that Severe Plastic Deformation (SPD) techniques could be used to obtain nanostructured metal hydrides with enhanced hydrogen sorption properties. In this paper we review the different SPD techniques used on metal hydrides and present some specific cases of the effect of cold rolling on the hydrogen storage properties and crystal structure of various types of metal hydrides such as magnesium-based alloys and body centered cubic (BCC) alloys. Results show that generally cold rolling is as effective as ball milling to enhance hydrogen sorption kinetics. However, for some alloys such as TiV0.9Mn1.1 alloy ball milling and cold rolling have detrimental effect on hydrogen capacity. The exact mechanism responsible for the change in hydrogenation properties may not be the same for ball milling and cold rolling. Nevertheless, particle size reduction and texture seems to play a leading role in the hydrogen sorption enhancement of cold rolled metal hydrides. |
| Posted: 10 Jan 2012 12:00 AM PST The specific characteristics of underwater environments introduce new challenges for networking protocols. In this paper, a specialized architecture for underwater sensor networks (UWSNs) is proposed and evaluated. Experiments are conducted in order to analyze the suitability of this protocol for the subaquatic transmission medium. Moreover, different scheduling techniques are applied to the architecture in order to study their performance. In addition, given the harsh conditions of the underwater medium, different retransmission methods are combined with the scheduling techniques. Finally, simulation results illustrate the performance achievements of the proposed protocol in end-to-end delay, packet delivery ratio and energy consumption, showing that this protocol can be very suitable for the underwater medium. |
| Posted: 10 Jan 2012 12:00 AM PST The time required to image large samples is an important limiting factor in SPM-based systems. In multiprobe setups, especially when working with biological samples, this drawback can make impossible to conduct certain experiments. In this work, we present a feedfordward controller based on bang-bang and adaptive controls. The controls are based in the difference between the maximum speeds that can be used for imaging depending on the flatness of the sample zone. Topographic images of Escherichia coli bacteria samples were acquired using the implemented controllers. Results show that to go faster in the flat zones, rather than using a constant scanning speed for the whole image, speeds up the imaging process of large samples by up to a 4x factor. |
| Posted: 10 Jan 2012 02:00 AM PST The consequence of this is that you must communicate over T-Mobile's 3G network in a way that allows them to snoop on you and read your email. And since 3G security has been compromised for years, it also means anyone within range of your cell tower can also snoop on you. Mike borrowed techniques from those who fight the Great Firewall of China to build a system that lets him tunnel securely and keep his sensitive data secret, but unless you run your own servers, you're screwed if you're a T-Mobile customer. Mike's SIM is a pay-as-you-go SIM, and his previous SIM, which came with a contract, didn't experience this filtering. Either this is the result of different filtering schemes for different customers or it's a new policy. I hope T-Mobile clarifies (and terminates) this policy soon.
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| Man accused in convenience store gambling raid Posted: 10 Jan 2012 01:43 AM PST An Austell man has been charged as a result of a crackdown on alleged illegal gambling in Douglas County. |
| Algorithms, Vol. 5, Pages 1-17: Compression-Based Tools for Navigation with an Image Database Posted: 10 Jan 2012 12:00 AM PST We present tools that can be used within a larger system referred to as a passive assistant. The system receives information from a mobile device, as well as information from an image database such as Google Street View, and employs image processing to provide useful information about a local urban environment to a user who is visually impaired. The first stage acquires and computes accurate location information, the second stage performs texture and color analysis of a scene, and the third stage provides specific object recognition and navigation information. These second and third stages rely on compression-based tools (dimensionality reduction, vector quantization, and coding) that are enhanced by knowledge of (approximate) location of objects. |
| Posted: 10 Jan 2012 12:00 AM PST 5,11,17,23-tetra-tert-butyl-25-(2'-pyridyl methyl amidocarbonylmethyl)-calix[4]arene (3) has been synthesized in the cône conformation through reaction of the corresponding mono-ester with 2-aminomethylpyridine (picolylamine) and characterised using 1H NMR and MALDI-TOF mass spectral data as well as elemental analyses. |
| Posted: 10 Jan 2012 12:00 AM PST Forest structural parameters such as quadratic mean diameter, basal area, and number of trees per unit area are important for the assessment of wood volume and biomass and represent key forest inventory attributes. Forest inventory information is required to support sustainable management, carbon accounting, and policy development activities. Digital image processing of remotely sensed imagery is increasingly utilized to assist traditional, more manual, methods in the estimation of forest structural attributes over extensive areas, also enabling evaluation of change over time. Empirical attribute estimation with remotely sensed data is frequently employed, yet with known limitations, especially over complex environments such as Mediterranean forests. In this study, the capacity of high spatial resolution (HSR) imagery and related techniques to model structural parameters at the stand level (n = 490) in Mediterranean pines in Central Spain is tested using data from the commercial satellite QuickBird-2. Spectral and spatial information derived from multispectral and panchromatic imagery (2.4 m and 0.68 m sided pixels, respectively) served to model structural parameters. Classification and Regression Tree Analysis (CART) was selected for the modeling of attributes. Accurate models were produced of quadratic mean diameter (QMD) (R2 = 0.8; RMSE = 0.13 m) with an average error of 17% while basal area (BA) models produced an average error of 22% (RMSE = 5.79 m2/ha). When the measured number of trees per unit area (N) was categorized, as per frequent forest management practices, CART models correctly classified 70% of the stands, with all other stands classified in an adjacent class. The accuracy of the attributes estimated here is expected to be better when canopy cover is more open and attribute values are at the lower end of the range present, as related in the pattern of the residuals found in this study. Our findings indicate that attributes derived from HSR imagery captured from space-borne platforms have capacity to inform on local structural parameters of Mediterranean pines. The nascent program for annual national coverages of HSR imagery over Spain offers unique opportunities for forest structural attribute estimation; whereby, depletions can be readily captured and successive annual collections of data can support or enable refinement of attributes. Further, HSR imagery and associated attribute estimation techniques can be used in conjunction, not necessarily in competition to, more traditional forest inventory with synergies available through provision of data within an inventory cycle and the capture of forest disturbance or depletions. |
| Posted: 10 Jan 2012 12:00 AM PST Anticancer properties of tyrindoleninone and 6-bromoisatin from Dicathais orbita were tested against physiologically normal primary human granulosa cells (HGC) and reproductive cancer cell lines. Tyrindoleninone reduced cancer cell viability with IC50 values of 39 µM (KGN; a tumour-derived granulosa cell line), 39 μM (JAr), and 156 μM (OVCAR-3), compared to 3516 μM in HGC. Apoptosis in HGC's occurred after 4 h at 391 µM tyrindoleninone compared to 20 µM in KGN cells. Differences in apoptosis between HGC and KGN cells were confirmed by TUNEL, with 66 and 31% apoptotic nuclei at 4 h in KGN and HGC, respectively. These marine compounds therefore have potential for development as treatments for female reproductive cancers. |
| Molecules, Vol. 17, Pages 645-656: Synthesis of New Liquid Crystalline Diglycidyl Ethers Posted: 10 Jan 2012 12:00 AM PST The phenolic Schiff bases I–VI were synthesized by condensation reactions between various diamines, namely o-dianisidine, o-tolidine and ethylenediamine with vanillin or p-hydroxybenzaldehyde and subsequent reactions between these phenolic Schiff bases and epichlorohydrin to produce new diglycidyl ethers Ia–VIa. The structures of these compounds were confirmed by CHN, FT-IR, 1H-NMR, and 13C-NMR spectroscopy. Their thermotropic liquid crystalline behavior was studied using differential scanning calorimetry (DSC) and polarizing optical microscopy (POM). All the diglycidyl ethers prepared exhibit nematic mesophases, except for Va and VIa, which did not show any transition mesophases, but simply flow to liquids. |
| Posted: 10 Jan 2012 12:00 AM PST In this study, a series of thirty-five substituted quinoline-2-carboxamides and thirty-three substituted naphthalene-2-carboxamides were prepared and characterized. They were tested for their activity related to the inhibition of photosynthetic electron transport (PET) in spinach (Spinacia oleracea L.) chloroplasts. Primary in vitro screening of the synthesized compounds was also performed against four mycobacterial species. N-Cycloheptylquinoline-2-carboxamide, N-cyclohexylquinoline-2-carboxamide and N-(2-phenylethyl)quinoline-2-carboxamide showed higher activity against M. tuberculosis than the standards isoniazid or pyrazinamide and 2-(pyrrolidin-1-ylcarbonyl)quinoline and 1-(2-naphthoyl)pyrrolidine expressed higher activity against M. kansasii and M. avium paratuberculosis than the standards isoniazid or pyrazinamide. The most effective antimycobacterial compounds demonstrated insignificant toxicity against the human monocytic leukemia THP-1 cell line. The PET-inhibiting activity expressed by IC50 value of the most active compound N-benzyl-2-naphthamide was 7.5 μmol/L. For all compounds, the structure-activity relationships are discussed. |
| Posted: 10 Jan 2012 12:00 AM PST Recent and ongoing developments in time-resolved spectroscopy have made it possible to monitor circular dichroism, magnetic circular dichroism, optical rotatory dispersion, and magnetic optical rotatory dispersion with nanosecond time resolution. These techniques have been applied to determine structural changes associated with the function of several proteins as well as to determine the nature of early events in protein folding. These studies have required new approaches in triggering protein reactions as well as the development of time-resolved techniques for polarization spectroscopies with sufficient time resolution and sensitivity to probe protein structural changes. |
| Posted: 10 Jan 2012 12:00 AM PST The specific rates of solvolysis of 2-butyn-1-yl-chloroformate (1) and 2-methoxyphenyl chloroformate (2) are studied at 25.0 °C in a series of binary aqueous-organic mixtures. The rates of reaction obtained are then analyzed using the extended Grunwald-Winstein (G-W) equation and the results are compared to previously published G-W analyses for phenyl chloroformate (3), propargyl chloroformate (4), p-methoxyphenyl choroformate (5), and p-nitrophenyl chloroformate (6). For 1, the results indicate that dual side-by-side addition-elimination and ionization pathways are occurring in some highly ionizing solvents due to the presence of the electron-donating γ-methyl group. For 2, the analyses indicate that the dominant mechanism is a bimolecular one where the formation of a tetrahedral intermediate is rate-determining. |
| Posted: 10 Jan 2012 12:13 AM PST [Platform: Flash] you play a novice beat reporter who receives a postcard in the mail with nothing more than a map on it. So you decide to investigate. What you find is an odd house that the neighbors say nobody lives in. You're looking for a good story, so you decide to enter and attempt to solve the mystery of the Unknown house. It's a brand new escape game from the GotMail team, and with an English translation! What are you waiting for? Let's dive in! |
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