Inventors unveil robot to fill car gas tank

Related: Innovation

1. Innovation
   1. Smart bullet ready to leave the lab, hit target more than 1 mile away
   2. Are laser-firing drones the weed killers of the future?
   3. Your cotton T-shirt could soon charge your phone
   4. Classic 1937 steam engine soon to run carbon-free
   5. Afraid of needles? Futuristic syringe doesn’t need them
2. Tech & science
   1. Astronauts enter the Dragon for first time
   2. Grill science: 5 sizzling tips for a tasty Memorial Day
   3. Dad busted for fake porn profile of kid's principal
   4. iPad apps to keep you informed and entertained
   5. Scientist: Evolution debate will soon be history
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