Popular Science articles about Mathematics & Economics

Researchers harness a powerful new source of up-to-date information on economic activity

Researchers at the University of Michigan, University of California Berkeley, and Arizona State University have developed a new data infrastructure for measuring economic activity.

KAIST develops TransWall, a transparent touchable display wall

In the picture, users can select the color of their drawings. As different users' fingers meet or move closer together, the colored circles create a winding line that is filled with gradient colors. By moving fingers across the TransWall, users can draw something together or separately, creating colorful patterns.At a busy shopping mall, shoppers walk by store windows to find attractive items to purchase. Through the windows, shoppers can see the products displayed, but may have a hard...

Georgia Tech researchers develop 'Encore' to monitor Web access

Georgia Tech researchers have created a tool to monitor the accessibility of Web pages around the world that can be installed by adding a single line of code to a...

License plate readers are important police tool, but hurdles remain, study finds

Systems that automatically read automobile license plates have the potential to save police investigative time and increase safety, but law enforcement officials must address issues related to staffing, compatibility and...

New insights on the factors that intensified the 2008 financial crisis

Widespread finger-pointing in the fallout from the 2008-2009 financial crisis is only exacerbated by the continuing legal battles between the big banks and SEC. Fair value accounting (FVA) is often...

Ask the crowd: Robots learn faster, better with online helpers

The University of Washington's robot builds a turtle model.Sometimes it takes a village to teach a robot. University of Washington computer scientists have shown that crowdsourcing can be a quick and effective way to teach a robot how...

Food ingredient fears

This issue is free for non commercial use. To download visit: <a target="_blank" href="http://foodpsychology.cornell.edu/op/food-fear">http://foodpsychology.cornell.edu/op/food-fear</a>Daily headlines on Internet pages and blogs claim: "New ingredient X is harmful to your health." Such warnings can scare people into avoiding these ingredients without actually knowing the facts,...

Facelock: A new password alternative which plays to the strengths of human memory

This is an example of how Facelock could be implemented in practice.Forgotten passwords are a serious problem for both IT managers and users. The root of the problem is a trade-off between memorability and security: simple passwords are easy to remember...

Columbia Engineering team finds thousands of secret keys in Android apps

Some of the secret keys, including Facebook and LinkedIn, were discovered by PlayDrone, a tool developed by Columbia Engineering researchers that uses hacking techniques to circumvent Google security to successfully download Google Play apps and recover their sources.In a paper presented -- and awarded the Ken Sevcik Outstanding Student Paper Award -- at the ACM SIGMETRICS conference on June 18, Jason Nieh, professor of computer science at...

Controlling ragweed pollen in Detroit: A no-mow solution for Motown?

When it comes to controlling hay fever-triggering ragweed plants on Detroit vacant lots, occasional mowing is worse than no mowing at all, and promoting reforestation might be the best solution.

Content kingmaker -- quality or webpage position?

In today's Information Age, it's easy get overwhelmed by online content. On YouTube alone, over 100 hours worth of video is uploaded every minute. Showcasing the most interesting content allows...

Visualizing the routes a person walks can help determine why the person has fewer steps on a given day of the week.

IPCC must consider alternate policy views, researchers say

In addition to providing regular assessments of scientific literature, the Intergovernmental Panel on Climate Change Process (IPCC) also produces a "Summary for Policymakers" intended to highlight relevant policy issues through...

Flood fear has temporary effect on property prices: QUT study

The stigma of buying in a flood-prone suburb after the 2011 Brisbane floods was short-lived for middle and high-value homes with property prices rebounding within 12-months, a QUT study has...

19th century math tactic gets a makeover -- and yields answers up to 200 times faster

Johns Hopkins graduate student Xiang Yang, at right, teamed up with Rajat Mittal, a professor of mechanical engineering, to revamp a "useless" 169-year-old math strategy, making it work up to 200 times faster.A relic from long before the age of supercomputers, the 169-year-old math strategy called the Jacobi iterative method is widely dismissed today as too slow to be useful. But thanks...

'Land grabbing' could help feed at least 300 million people, study suggests

Crops grown on "land-grabbed" areas in developing countries could have the potential to feed an extra 100 million people worldwide, a new study has shown.

A simple solution for big data

These are images used to test the algorithm.Experts use the expression big data to indicate huge amounts of information, such as those (photos, videos, texts, but also other more technical types of data) shared at any time...

Collaborative learning -- for robots

Machine learning, in which computers learn new skills by looking for patterns in training data, is the basis of most recent advances in artificial intelligence, from voice-recognition systems to self-parking...

Georgia Tech research identifies Android security weaknesses caused by performance design

Georgia Tech researchers have identified a weakness in one of Android's security features and will present their work at Black Hat USA 2014, which will be held August 6-7 in...

Shortage of cybersecurity professionals poses risk to national security

The nationwide shortage of cybersecurity professionals -- particularly for positions within the federal government -- creates risks for national and homeland security, according to a new study from the RAND...

New computer program aims to teach itself everything about anything

This image shows some of the many variations that the new program has learned for three different concepts.In today's digitally driven world, access to information appears limitless.

New study finds Internet not responsible for dying newspapers

We all know that the Internet has killed the traditional newspaper trade, right? After all, until the general population started interacting with the web in the mid-90s, the newspaper business...

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