Tesla is coming off of a rough earnings day, but that didn’t stop the company from showing off some awesome stuff.

Today, the company tweeted out a demo of something its founder and CEO Elon Musk has talked about before. At the time it sounded crazy, as most of Musk’s ideas do.

But here it is. It’s a charging station and technique that looks like it’s straight out of a science-fiction movie.

Hit the play button and watch it all the way through. The snakey charging arm (called the “Solid Metal Snake”) makes its way to the parked Tesla Model S car automatically. No human intervention.

Charger prototype finding its way to Model S.https://t.co/L9E4MR642G — Tesla (@Tesla) August 6, 2015

The technology looks like this “JetSnake,” but Tesla’s is way cooler:

I’m not sure why, but I’ve watched it 35 times already. Feel free to do the same:

What did we learn today, class? When Elon says his company is working on something, his company is working on something. I wonder if the potential Tesla self-driving car fleet is “for realz” too?