In 2016, the state of California passed Proposition 64, commonly referred to as the Adult Use of Marijuana Act. The law went into effect two years later, on January 1, 2018. The proposition stated that it is now legal in California "for individuals 21 years of age or older to possess up to 28.5 grams of marijuana and 8 grams of concentrated marijuana for personal consumption."
Future travel could get even more futuristic if a French company called Akka Technologies has its way. The company is shopping around an idea for a flying train—or rather, a plane that sheds its wings and takes a track when it lands. The transformation process resembles nothing so much as a scene in a Marvel movie. (See for yourself in this simulation—the plane doesn’t exist yet.)