johns hopkins university

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Magic mushrooms to treat cancer anxiety?

In a 2006 study, U.S. researchers have shown that psilocybin, a substance contained in 'sacred mushrooms,' produced substantial spiritual effects -- when administered under controlled conditions. The scientists recently interviewed the volunteer subjects and they've noted that most of them 'continued to say 14 months later that the experience increased...

Tags: Researcher, Volunteer, Anxiety, Johns Hopkins University, Monitors & Displays, Recruitment & Selection, Workforce Management, Hardware, Components, Human Resources, Roland Piquepaille

Blog posts 2008-07-14

Online Client-Server Load Balancing Without Global Information

A distributed online algorithm is considered for maximizing throughput in a network of clients and servers, modeled as a bipartite graph. Unlike most prior work on online load balancing, it do not assume centralized control and seek algorithms and lower bounds for decentralized algorithms in which each participant has only...

Tags: Algorithm, Client-server, Johns Hopkins University, Engineering

White papers 2008-01-01

Impact of Precedence Enabled Per Hop Behaviors on TCP Flows

In the Department of Defense's DoD Global Information Grid GIG transport network, packet handling must provide preferential transport to high Precedence traffic under all networking conditions, specifically conditions of resource scarcity, e.g., network overload conditions, while simultaneously satisfying packet scheduling required to meet application Quality of Service QoS needs. The...

Tags: QoS, Network, TCP, Johns Hopkins University

White papers 2007-05-16

'Nanoring' memories?

Magnetic random-access memories MRAMs are not new but could change your relationship with your computer. In particular, with these memories, your system would not lose data in case of a power outage, it would be faster and consume less energy. Today these memories are still expensive and not totally reliable....

Tags: nanoring, Johns Hopkins University

Blog posts 2006-01-13

Scalable VPNs for the Global Information Grid

Virtual Private Networks VPNs are the preferred mechanism for securing sensitive traffic crossing public networks. Traditionally, configuration of VPN gateways has been done manually. However, static configuration of gateways is particularly problematic within the context of the Global Information Grid GIG, the next-generation network of networks developed by the US...

Tags: Network, Grid, Johns Hopkins University, VPNs, Networking, Network Security, Telecommunications

White papers 2005-09-12

Gamera: A Structured Document Recognition Application Development Environment

This paper presents a new toolkit for the creation of customized structured document recognition applications by expert users. This open-source system, called Gamera, allows a user, with particular knowledge of the documents to be recognized, to combine image processing and recognition tools in an easy to use, interactive, graphical scripting...

Tags: Application Development, Johns Hopkins University, Software Development, C/C++, Open Source, Software/Web Development, Programming Languages

White papers

An Inter-Domain Routing Protocol for Multi-Homed Wireless Mesh Networks

This paper presents a routing protocol for multi-homed wireless mesh networks that provide uninterrupted connectivity and fast handoff. The authors approach integrates wireless and wired connectivity, using multicast groups to coordinate decisions and seamlessly transfer connections between several Internet gateways as mobile clients move between access points. The protocol optimizes...

Tags: Handoff, Protocol, Johns Hopkins University, Wi-Fi, Mesh Networking, Wireless, Networking

White papers

Additional Resources

The future of tech IPOs

At the AlwaysOn Summit at Stanford University, Frank Quattrone, co-founder of Qatalyst, talks about the dismal condition of the current IPO market, why venture capitalist backed companies are not going public right now, and what the future holds.

Tags: IPO, Financial Planning, Investment, Venture Capital, Financial Services, Finance, Financing Startups, Tech IPOs

Videos 2008-07-25

10 essential gadgets for students

I chose these from personal experience, but also from asking many friends from around the world who are involved in technology and study at the same time. Some gadgets come with a recommendation, whereas others don't; things like laptops and cell phones can't be selected for everybody, it'd be ridiculous...

Tags: Headphone, Phone, Cell Phone, Laptop Computer, Lecture, Notebooks, Telecom & Utilities, Hardware, Notebooks & Tablets, Zack Whittaker

Blog posts 2008-07-25

10 essential gadgets for students

Showing you some of the gadgets college and university students really shouldn't live without. by Zack Whittaker

Tags: Student, Zack Whittaker, Gadgets, University, Pen drive, Cell phone, Laptop, Computer

Image galleries 2008-07-25

Government, markets and regulation

Government, markets and regulationJust Another Gov't Program Gone BadFannie Mae was created in the Depression to create liquidity in the mortgage market. Lequidity had been wiped out by the stock market collapse and bank runs.As with all government programs, it just grew and grew and never went away. ...

Tags: Mortgages, Vertical industries, Fannie Mae, Freddie Mac, mortgage, government

Discussion threads 2008-07-24

Is open source hurt by piracy?

Is open source hurt by piracy?Only hurts Open Source if proprietary is seen as "better"Sounds like what you are saying is for example, that the competition in the office suite space is Open Office Vs MS Office Vs pirated MS Office. Those willing to pirate see both Open Office...

Tags: Operating systems, open source, piracy, OpenOffice, Microsoft Office, Microsoft Corp., Linux, software

Discussion threads 2008-07-24

NASA used cadavers to test Orion moonship

NASA officials recognized last week that dead bodies were used to develop Orion landing systems. According to NASA, 'three human bodies were used in the tests at Ohio State University Medical Center' in 2007. Even if the results of the experiments helped NASA, one of its spokesman said that the...

Tags: NASA, Productivity, Roland Piquepaille

Blog posts 2008-07-24

Google opens Knol website, a wiki with bylines

In a direct challenge to the popular Wikipedia, Google opened Knol, an encyclopedia-like wiki site that requires writers to post their names and expertise. SAN FRANCISCO--Google opened its website Knol to the public on Wednesday, allowing people to write about their areas of expertise under their bylines in a...

Tags: Google Inc., DuPont Co., Web Site, Wikipedia, Knol, Wiki, Online Communications, Reuters, Google, encyclopedia

News items 2008-07-24

Toshiba Satellite L305-S5875

Editors' note: This review is part of our Back-to-School 2008 roundup, covering specific configurations of popular laptops that can be found in retail stores.The Toshiba Satellite L305-S5875 is a thoroughly average, entry-level laptop. It wasn't too long ago that an average, entry-level laptop meant one that was underpowered and shabbily...

Tags: Notebooks, Toshiba Corp., Toshiba Satellite, Toshiba Satellite L305-S5875, laptop computer

Product reviews 2008-07-23

75% of online banking sites found vulnerable to security design flaws

In a paper entitled "Analyzing Web sites for user-visible security design flaws" to be published at the Symposium on Usable Privacy and Security meeting at Carnegie Mellon University July 25, Atul Prakash and two of his doctoral students examined 214 financial institutions in 2006, finding that over 75% of all...

Tags: Bank, Online Banking, Flaw, Security, Financial Services, Dancho Danchev

Blog posts 2008-07-23

Is this the New Apple?

PowerPage podcaster Youngmoo Kim relays his experience with trying to get an iPhone 3G and on being an "IRU" Individual Responsible User. Apple just doesn't want me to have an iPhone 3G.  After a few half-hearted attempts bailing at the sight of long lines, I spent about two hours...

Tags: Apple iPhone, Apple Inc., IRU, 3G, Cellular Phones, Wireless, Consumer Electronics, Personal Technology, Jason D. O\'Grady

Blog posts 2008-07-22

10 hard drive disasters

Deaths at the hands of bananas, smelly socks and WD-40 are some of the unusual fates to have befallen innocent hard drives, according to a data recovery company. Deaths at the hands of bananas, smelly socks and WD-40 are some of the unusual fates to have befallen innocent hard...

Tags: Hard Drive, hard drives, data recovery, Dan Ilett, Silicon.com

News items 2008-07-22

The key barrier to health care reform

The key barrier to health care reformReducing residenciesHey, at least Georgia [b]has[/b] residencies. Arizona's University Hospital has, thanks to Andrew Weil, turned all of its general practice residencies into NCCAAM-funded "alternative health care" training programs.If you think it's bad now, wait until your insurance only covers "therapeutic touch" and...

Tags: Vertical industries, Benefits, HEALTHCARE, Insurance, barrier, health care, residency, physician

Discussion threads 2008-07-21

Towards low-cost LED lighting

You all know that incandescent bulbs are pretty inefficient, converting only 10% of electricity into light -- and 90% into heat. Light-emitting diodes, or LEDs, could soon replace incandescent and compact fluorescent bulbs in our homes. They are more efficient and environmentally friendly. But LED lights are currently too expensive...

Tags: Purdue University, Silicon, LED Lighting, Light-emitting Diode, Silicon Substrate, Engineering, Roland Piquepaille

Blog posts 2008-07-20