Red Light, Green Light

Have you ever been stopped at a red light even though there isn’t a single car on the intersecting street to take advantage of the green light? If so, you’ve had firsthand experience with the glitches of top-down traffic systems.

In most cities, traffic runs on an “optimal” cycle designed to maximize the flow of traffic expected for certain times of day, such as rush hour. The problem is that this optimal condition never happens in real life. Most traffic lights run on timers that are set in advance to anticipate how many cars will be at any intersection at any point during the day. Researchers create these settings based on averages, thorough research, and years of experience. However, in real life, traffic doesn’t act how it’s “supposed to.”

That’s why researchers in Germany are taking a completely new approach to traffic control. Read the full article from ScienceNews, and see why this story made the top science news of 2010.

The most common question students ask math teachers at every level is “When will I use math?” WeUseMath.org is a non-profit website that helps to answer this question. This website describes the importance of mathematics and many rewarding career opportunities available to students who study mathematics.


 

Cryptanalyst
$137,780/yr
Attorney
$187,199/yr
$126,000/yr
Physician
$187,199/yr
Actuary
$160,000/yr
Stockbroker
$102,250/yr
$155,490/yr
$117,210/yr
Animator
$99,830/yr
Mathematician
$152,140/yr

Figures represent salary potential.

20
May

Dr. Cary Oberije, a postdoctoral researcher in The Netherlands, has found that mathematical models can be used to accurately predict patients' responses to treatment. Prediction models were used to analyze lung cancer patients' likelihood of survival and...

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