Time
What is time? Is it a manmade concept or a natural passage? Get the answers to your questions about time.
What is time? Is it a manmade concept or a natural passage? Get the answers to your questions about time. Less
How does Einstein's theory of special relativity make time travel possible?
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You may be surprised to learn that many scientists actually believe in the possibility of time...
Science Channel
Site Director, Curiosity.com
What are the smallest and largest units of time?
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Time might seem like a rather mysterious concept. After all, we can't see it or feel it, and we...
Science Channel
Site Director, Curiosity.com
What is the concept of the "long now"?
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TRANSCRIPT: So the phrase "long now" was invented by Brian Eno. And when I first told him about...
W. Daniel Hillis
Co-founder, Applied Minds
What is the 10,000 Year Clock?
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TRANSCRIPT: When I was a kid, growing up in the '60s, people used to imagine the future. What's...
W. Daniel Hillis
Co-founder, Applied Minds
Is there a way around time travel paradoxes?
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According to physicist and cosmologist Stephen Hawking, traveling to the past will likely never...
Science Channel
Site Director, Curiosity.com
What are some practical obstacles to creating a time machine?
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Thinking about time travel requires seeing it as a fourth dimension, or it's hard to wrap your head...
Science Channel
Site Director, Curiosity.com
What is the fourth dimension?
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There are many theories among scientists about how the universe is shaped. Part of the reason for...
Science Channel
Site Director, Curiosity.com
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