BEST PERSONALITY TEST EVER! Pick which side you sit on and find out who you are inside. Pirate or Ninja Batman or Superman Hero or Villain Marvel vs DC AFTER YOU TAKE THE ‘TEST’ ABOVE, READ BELOW TO FIND OUT WHO YOU ‘TRULY’ ARE! PIRATE or NINJA Pirate You like…

NYC owns one subway tunnel digging auger, it is what built the 2nd Ave subway, which took about 50 years to build. China has 33 augers. They built the majority of Shanghai’s underground subway system in last 15 years for 24 million people. …

Space Elevator: How It Works Space! It’s exciting, it unites people, it encourages innovation, and it helps us think about how truly special Earth is. The problem is that it is so expensive to just get OUT of the Earth’s atmosphere and into space. The space shuttle uses 500,000 lbs…