21st Century Inventions That Could Change Your Life

Smart Caps

It's not always easy to tell whether or not something went expired. In the near future, there will be products available for manufacturers to use that will help their consumers see if the food product is expired or not. This includes bottle caps and other plastic packaging. The science of it is basically a type of packaging that is reactive to certain bacteria and toxins that are released when a food is no longer good to consume. 

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The More You Know

  • Great white sharks are so scared of killer whales that they'll avoid an area for up to a year after spotting one.
  • A German and British aeroplane shot each other down in Norway during WWII. The crew met and helped each other survive. Two of them later visited each other many years after the war was over as friends.
  • Clark Kent (Superman in DC Comics) is also a character in the Marvel universe, where he's actually just a mild-mannered reporter and nothing more.
  • The glow around the moon is called a "broch."
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