### Human: write a news article about google maps. ### Assistant:  Google Maps can tell your friends exactly where you are

If you've ever tried to meet up with friends at a big expanse like Central Park or Golden Gate Park, you know it can be a pain to find the exact spot where they're hanging out.

Google wants to help.

The search giant on Wednesday unveiled a new feature for Google Maps called "location sharing" that lets you reveal your exact location to a contact for a certain period of time -- from 15 minutes to 3 hours, or until you turn off the feature.

You can also share a driving or walking route if you're going from one place to another, and your friends will be able to see your progress on the map.


### Human: write a news article about Germany and artificial sun. ### Assistant:  Let there be light: German scientists test 'artificial sun'

Scientists in Germany flipped the switch Thursday on what's being described as "the world's largest artificial sun," a device they hope will help shed light on new ways of making climate-friendly fuels.

The giant honeycomb-like setup of 149 spotlights - officially known as "Synlight" - in Juelich, about 30 kilometers (19 miles) west of Cologne, uses xenon short-arc lamps normally found in cinemas to simulate natural sunlight that's often in short supply in Germany at this time of year.


### Human: write a news article about Roger Federer and tennis. ### Assistant:  Roger Federer beats Frances Tiafoe on return to Miami Open

Roger Federer beat American teenager Frances Tiafoe in his first match at the Miami Open for three years. The Swiss  35  defeated the 19-year-old qualifier 7-6 (7-2) 6-3 to take his 2017 record to 14 wins and one loss. Federer  who won has won the Australian Open and Indian Wells titles this year  missed Miami through illness in 2016. Top seed Stan Wawrinka beat Horacio Zeballos 6-3 6-4  while women's fifth seed Agnieszka Radwanska was thrashed 6-0 6-3 by Mirjana Lucic-Baroni. "It's quite tough conditions  raining and really windy today  Swiss Wawrinka said. It's really windy on the court  so it's never easy. I'm happy with the way I was moving  the way I was playing and my attitude in general was really positive  so it's a great match." Federer picked up where he left off in Indian Wells  winning his first 20 service points on the way to overcoming an impressive effort from Tiafoe  the world number 101.


### Human: write a news article about Elon Musk and Tesla. ### Assistant: Elon Musk creates Neuralink brain electrode firm

Tesla chief executive Elon Musk has launched Neuralink  a start-up which aims to develop technology that connects our brains to computers. A report from the Wall Street Journal  later confirmed in a tweet by Mr Musk  said the company was in its very early stages and registered as a "medical research" firm. The company will develop so-called "neural lace" technology which would implant tiny electrodes into the brain. The technique could be used to improve memory or give humans added artificial intelligence.