Today on In Case You Missed It: A French company just introduced a hydrogen fuel cell train that it plans to install on a line in Germany in 2017. The train can carry 300 passengers reaching speeds of 87 miles an hour, all while emitting water rather than the usual diesel fumes that go along with such routes. We think the Casper insomnia chatbot is probably just a PR stunt by the company, but it may also be functional so you're guess is as good as ours as to why a mattress company would want to talk about people (likely their own customers) who struggle with going to sleep at night.

If you're interested, the truck clock video is here. As always, please share any interesting tech or science videos you find by using the #ICYMI hashtag on Twitter for @mskerryd.