The Daily Populous

In a tweet on Sunday, Musk said "massive effort" is required to get the technology to "99.9999% safety."

"Intersections with complex traffic lights & shopping mall parking lots are the two biggest software challenges," Musk explained.

The tech billionaire set out plans in April to "have over 1 million robo-taxis on the road" by 2020. »

The data showed that marijuana use among high schoolers was not statistically associated with medical marijuana laws, but there was a link with recreational marijuana laws.

"Because many recreational marijuana laws have been passed so recently, we do observe limited post-treatment data for some of these states," Anderson said.

"Given the legalization, we need more education around marijuana or cannabis use for youth and we don't really have a lot of education. »

| Samantha Maldonado/AP Photo congress Dems to pursue criminal contempt for William Barr, Wilbur Ross over census.

House Democratic leaders plan to move forward with criminal contempt proceedings against Attorney General William Barr and Commerce Secretary Wilbur Ross for defying congressional subpoenas for documents related to the 2020 census, senior Democratic aides said Monday.

Being held in contempt by Congress will be an embarrassment for the Trump administration officials but it won’t lead to many tangible consequences. »

He outlined his plan to build a laser so powerful that it could accelerate tiny spacecraft to 20% of the speed of light, getting them to Alpha Centauri in just 20 years.

Direct the beam onto highly reflective light sails attached to spacecraft weighing less than a gram and already in orbit.

Or a long-term, far-out project that can’t be sustained long enough for the nonexistent technologies it requires to be built. »