![Popular Science Radio show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/031/052/small/popular-science-radio.png)
Summary: Today we have learned some disturbing things. You can drink your urine, don’t sit near Alan on a roller coaster, there is a possible replacement of the combustion engine, and a pen that records what you write.
Summary: Today we have learned some disturbing things. You can drink your urine, don’t sit near Alan on a roller coaster, there is a possible replacement of the combustion engine, and a pen that records what you write.