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Could 'Early' Dark Energy Explain the Mystery of the Universe's Expansion?
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Early dark energy, a form that may have existed a few hundred thousand years after the big bang, could help clarify the universe's rate of expansion.
What is the universe made of?
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What is the universe made of? Is it made of atoms like everything found on Earth? Find out what the universe is made of in this article.
Do wars drive technological advancement?
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Wars drive technological advancement because of the need of specialized tools on the battlefield. Find out how wars drive technological advancement.
8 Things Invented or Discovered by Accident
From cornflakes to Silly Putty, many of the things we consume today were created unintentionally. Here are the stories behind eight well-known inventions.
How Fusion Propulsion Will Work
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Using current rocket engine technology, a trip to Mars takes seven months. Fusion propulsion would cut that trip in half. Find out what fusion is and how it could speed up space travel.
How Laser Communication Works
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When speed is everything and light marks the universe's speed limit, lasers are bound to be the answer. At least, that's what NASA and a bunch of Wall Street types are betting on.
How Nuclear Radiation Works
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Nuclear radiation can be extremely beneficial or extremely harmful -- it all depends on how it's used. Learn what nuclear radiation is all about.
Is the army testing an invisible tank?
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An invisible tank could give any military a distinctive edge on the battlefield. Find out how the British army is developing an invisible tank.
Plastic Numbers: Breaking Down Recycling Codes
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There are seven different numbers you might see on a plastic container. And each number has its own meaning.
How Electric Aircraft Work
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Electric aircraft are explained in this article. Learn about electric aircraft.