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Diamonds are jet engines' best friends: You certainly know that birds are enemies of jet engine turbine blades. But these jet engines have another nasty foe: sand. Even if the turbine blades are protected with thin layers of thermal barrier coatings TBCs, they operate at very high temperatures. When a sand storm hits a blade, grains...; Tags: Turbine, Glass, Ohio State University, Aluminum, Telecom & Utilities, Roland Piquepaille; Blog posts 2008-03-24
Managing research instruments on the Web: Telescopes, supercomputers or microscopes can cost millions of dollars. The research institutions which bought them often try to share the costs with other laboratories. And they're also tempted to use Internet to allow remote control of their expensive systems. But Internet traffic is not reliable enough to control a multi-million-dollar...; Tags: Software, Web, Microscope, Researcher, Network, Window, Ohio State University, RICE, Calyam, Internet, Tools & Techniques, Management, Roland Piquepaille; Blog posts 2007-10-11
Photos: Happy developers in da house: Some 150 people gather in a Los Gatos, Calif., mansion for SuperHappyDevHouse, a 12-hour marathon of coding, hacking and socializing.Participants of the 19th SuperHappy DevHouse hackathon session descended on Tom Harrison''s family home last weekend in Los Gatos, Calif. Harrison far left opened his house up to some 150 tech...; Tags: PRODUCTIVITY, Scripting languages, Programming languages, Development tools, SECURITY, photograph, Amit Patel, SuperHappyDevHouse, Los Gatos, Facebook, San Jose State University, hacking, chief technical officer, Ohio State University, University of Washington, online v; Image galleries 2007-08-16
Providing Rate Guarantees to TCP Over the ATM GFR Service: The ATM Guaranteed Frame Rate GFR service is intended for best e ort traffic that can benefit from minimum throughput guarantees. Edge devices connecting LANs to an ATM network can use GFR to transport multiple TCP/IP connections over a single GFR VC. These devices would typically multiplex VCs into a...; Tags: Ohio State University, TCP, ATM Guaranteed Frame Rate Service, ATM, Tcp/Ip, Networking, Network Technology; White papers 2007-07-03
Joint Scale-Lag Diversity in Mobile Wideband Systems: This paper considers the effect of mobility on a wideband Direct Sequence Spread Spectrum DSSS communication system, and study a scale-lag Rake receiver capable of leveraging the diversity that results from mobility. A wideband signal has a large bandwidth-to-center frequency ratio, such that the typical narrowband Doppler spread assumptions do...; Tags: Mobile, Ohio State University, Mobility, Advertising & Promotion, Marketing; White papers 2007-03-20

What's hidden under Greenland ice?: Ice has covered Greenland for millions of years. So whats hidden under this ice cap? Mountains and valleys? Rivers and lakes? Of course, we might know it sooner than we would have liked if the ice covering Greenland continues to melt. But researchers from Ohio State University have decided that...; Tags: Engineering &, Innovation, Science &, Nature, Energy &, Environment, Space &, Aerospace, GISMO team, ice; Blog posts 2006-12-29
Cooperative Relay Service in a Wireless LAN: As a family of Wireless Local Area Network WLAN protocols between physical layer and higher layer protocols, IEEE 802.11 has to accommodate the features and requirements of both ends. However, current practice has addressed the problems of these two layers separately and is far from satisfactory. On one end, due...; Tags: IEEE 802.11, Ohio State University, WLAN, Wireless LANs, LANs, Wi-Fi, Wireless, Networking; White papers 2006-04-23
Electric power from cows?: Using cow waste to produce electricity has been done before, for example by using the methane released by this waste to power farm machinery. But now, researchers from Ohio State University OSU have found new ways to turn cow waste into elctricity. First, using a half-liter of fluid from the...; Tags: microorganism; Blog posts 2005-09-03
Accessibility and D2L: Can You Read This if You're Blind?: This paper reports on the accessibility and usability of the Desire to Learn (D2L) course management software, version 7.4.x. The authors looked at what they determined would be the most widely widgets used: the course list page, contents, calendar, discussions, and e-mail. They have shared this information with D2L and...; Tags: Mozilla Firefox, Ohio State University, Web Browsers, Microsoft Windows XP Service Pack 2, Channel Management, Internet, Marketing; White papers 2005-07-01
Design and Performance Evaluation of LiMIC (Linux Kernel Module for MPI Intra-Node Communication) on InfiniBand Cluster: High performance intra-node communication support for MPI applications is critical for achieving the best performance out of clusters of SMP workstations. Although the performance of system area networks has improved in the recent years, intra-node communication still remains orders of magnitude faster than the network. Present day MPI stacks cannot...; Tags: Linux, Performance, Linux Kernel, Ohio State University, Communication, Performance Evaluation, Performance Management, InfiniBand, Leadership, Human Resources, Workforce Management, Networking, Management; White papers 2004-10-31
A Low-Complexity Receiver for OFDM in Doubly-Selective Channels: Orthogonal frequency division multiplexing OFDM systems may experience significant inter-carrier interference ICI when used in time- and frequency-selective, or doubly- selective, channels. In such cases, the classical symbol estimation schemes, e.g., minimum mean-squared error MMSE and zero-forcing ZF estimation, require matrix inversion that is prohibitively complex for large symbol lengths....; Tags: Ohio State University, OFDM, Wireless; White papers
Cisco Helps ohio state university Medical Center Address Staffing Shortages - With Robots: The Ohio State University OSU Medical Center is located in central Ohio. The challenge was to select the best wireless solution in terms of immediate performance; in subsequent years, the challenge has been to ensure this wireless system keeps pace with new technological options emanating from the scientific and medical...; Tags: Staffing, Robot, Ohio State University, Cisco Systems Inc., Ohio State University Medical Center, Wi-Fi, Wireless; Case studies
The ohio state university Newark and Central Ohio Technical College Share a Campus-Wide Network and the Advantages of Extreme Networks' High Performance Infrastructure: The Ohio State University Newark OSUN and Central Ohio Technical College COTC share a three hundred acre campus in Newark, Ohio, as well as a network that supports 400 faculty and staff and over 5,000 students. In 2001, the campus replaced its network with a new Extreme Networks infrastructure designed...; Tags: Ohio State University, High-performance, Extreme Networks, Campus, Networking, Wireless; Case studies
Scale-Lag Diversity Reception in Mobile Wideband Channels: This paper considers the effect of mobility on a wideband Direct Sequence Spread Spectrum DSSS communication system, and study a scale-lag Rake receiver capable of leveraging the diversity that results from mobility. A wideband signal has a large bandwidth-to center frequency ratio, such that the typical narrowband Doppler spread assumptions...; Tags: UWB, Channel, Mobile, Radio Frequency, Ohio State University, Ultrawideband (UWB), Advertising & Promotion, Network Technology, Wireless, Marketing, Networking; White papers
Serving Queries to Multi-Resolution Datasets on Disk-Based Storage Clusters: This paper is concerned with efficient querying of very large multi-resolution datasets on storage and compute clusters. This paper presents a suite of services that support storage, indexing, and data processing data sampling and data aggregation on datasets that consist of a collection of multi-resolution grids. The paper empirically evaluates...; Tags: Disk, Ohio State University, Evaluation, Storage, Hardware; White papers

Additional Resources

Automatic eyeglasses prescriptions?: For its space missions, NASA wants astronauts with excellent vision without corrective lenses or glasses. This doesn't prevent its Vision Science and Technology Group to study human vision of ordinary people like you and me. Two members of this group recently discovered that a new formula connecting optical quality with...; Tags: NASA, Vision, Model, Metric, Strategy, Management, Roland Piquepaille; Blog posts 2008-05-16
Fight card: AMD Radeon 4800 vs. Nvidia GTX 200: The high-end graphics card market isn't the straightforward, mano-a-mano battle it used to be. Graphics cards with dual GPUs, systems with multiple cards in CrossFire or SLI implementations, and most recently hybrid graphics have all muddied the picture. Meanwhile, Intel has improved its integrated graphics and has long-term plans in...; Tags: Card, NVidia Corp., Advanced Micro Devices Inc., Graphics, Radeon, GPU, John Morris; Blog posts 2008-05-16
Federal charges in MySpace suicide case: Federal prosecutors have indicted Lori Drew for actions on MySpace that led 13-year-old Megan Meier right to kill herself, USA Today reports. She was charged with one count of conspiracy and three counts of computer crimes. The grand jury charges that she accessed protected computers without authorization to...; Tags: Count, Distress, Computer, MySpace, Mulford, Ron, Productivity, Richard Koman; Blog posts 2008-05-15
Verdiem spruces up its Survey PC power management software: Verdiem, one of the better known developers of power management software that counts Hewlett-Packard, Intel and Microsoft among its close partners, has delivered an impressive upgrade to its Surveyor technology. According to the Seattle-based company, the focus was on providing IT managers with even more configuration flexibility than previously available....; Tags: Software, Power Management, PC, Power Consumption, Survey, Verdiem, Desktops, Hardware, Heather Clancy; Blog posts 2008-05-15
Small differences can make a BIG difference: I recently got a chance to talk with one VC firm that's focused some of its attention and money on cleantech. One of their investments is in OPX, which seems to have a unique approach to solving some of the energy and raw material supply issues facing the planet....; Tags: Chemicals, Clean Technology, Costs, Harry Fuller; Blog posts 2008-05-15