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This is Scientific American's 60-second science. I'm Christopher in Taliatta.

If you drive in a city, you've no doubt experienced the frustration of circling block after block after block cruising for parking.

But scientists who study that phenomenon have a solution to free up more spots.

You make them more expensive, so people have to decide whether to park farther away and pay less

or closer and pay more.

It's Akbenenson, a system scientist at Tel Aviv University.

San Francisco has piloted a program like that that raises parking rates based on demand,

and it's been shown to reduce cruising.

But the sensors required for those systems can cost millions of dollars to install and operate,

Benison says.

So instead, writing an I-Trippily Intelligent Transportation Systems magazine,

he and his colleague, near Fullman, describe an algorithm that can determine smart pricing

without the use of sensors.

They tested it on the Israeli city of Bat Yam, near Tel Aviv. First, they divide the city into zones.

They estimate the parking demand in each zone by calculating the number of apartments and offices there,

and then they factor in parking supply in the area, along with how wealthy potential parkers might be.

With that data, the algorithm suggested pricing for each zone that would guarantee a 90% occupancy rate of parking spots citywide,

...