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Self-driving cars are an extremely tough problem. This mini-game shows you why

By John Elkin Published September 12, 2019

As we navigate into the 21st century, great innovations promised by Star Trek and Marty McFly are starting to become reality. Transporters and self-tying shoes aside, ask any daily commuter what they want, and they will say autonomous cars.

Imagine heading into the office sipping your coffee and reading the paper at 65 miles per hour while Alexa or Google drives your car. Well, that future could still be a little further away than people think. The Washington Post just released a very interesting online simulator showcasing how difficult a problem full Level 5 Autonomy truly is.

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As the simulator nicely outlines, autonomous cars work by using sensors located all over the car. These sensors, comprised of radar, lidar and cameras, feed dozens of gigabytes of data into a central computer, every minute. This can locate your vehicle down to the centimeter. Currently, computer developer Nvidia has one that can perform at this speed.

Despite all these sensors and data, self-driving cars still face a lot of obstacles and development work before they can become reliable enough to be commonplace. Basically, they have trouble seeing and hearing. In daylight, a human can see four times better than the current technology.

Sensors have trouble discerning a pedestrian from a bicycle. Some have had trouble seeing stopped vehicles in the road. Others cannot discern animals smaller than a moose quickly enough. Large objects alongside you on the road, like a motor home, can effect line of sight and cause sensor blind spots.

We are asking a lot of a machine to be able to react and make split-second decisions like a human being. The ongoing chess game that is navigating our roadways is constantly changing.

These issues will be overcome in time, but another issue may confound your dream of catching 40 winks on the interstate. Currently, 40 states have different regulations regarding autonomous vehicles. The federal government is not regulating testing currently, which could make for decades of waiting before there is a framework of how to regulate this technology.

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Officers confused as they pull over an empty self-driving car

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In what appears to be the first incident of its kind, police officers recently pulled over a self-driving car with no one inside it.

The incident, which took place on a street in San Francisco earlier this month, was caught on video by a passing pedestrian. It shows several traffic cops pondering about how to handle the incident after stopping the vehicle for failing to have its front lights on while driving at night.

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How a big blue van from 1986 paved the way for self-driving cars

Lineup of all 5 Navlab autonomous vehicles.

In 1986, a blue Chevy van often cruised around the streets of Pittsburgh, Pennsylvania near Carnegie Mellon University. To the casual observer, nothing about it appeared out of the ordinary. Most people would pass by it without noticing the camcorder peeking out from its roof, or the fact that there were no hands on the steering wheel.

But if any passerby had stopped to inspect the van and peer into its interior, they would have realized it was no ordinary car. This was the world's first self-driving automobile: A pioneering work of computer science and engineering somehow built in a world where fax machines were still the predominant way to send documents, and most phones still had cords. But despite being stuck in an era where technology hadn't caught up to humanity's imagination quite yet, the van -- and the researchers crammed into it -- helped to lay the groundwork for all the Teslas, Waymos, and self-driving Uber prototypes cruising around our streets in 2022.

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Tesla pulls latest Full Self-Driving beta less than a day after release

The view from a Tesla vehicle.

False collision warnings and other issues have prompted Tesla to pull the latest version of its Full Self-Driving (FSD) beta less than a day after rolling it out for some vehicle owners.

Tesla decided to temporarily roll back to version 10.2 of FSD on Sunday following reports from some drivers of false collision warnings, sudden braking without any apparent reason, and the disappearance of the Autosteer option, among other issues.