Taking a look into humankind's future looks bright. With advancing technology, the sky's the limit. But being that bright and soaring in the sky will all require power. Currently we depend on mostly fossil fuels, which is a concern for many. Many countries have started looking into alternative sources of power such as solar, wind, and hydro power. Also nuclear energy has been expanded on, making it more efficient, and safer to use. Though we have many great sources of power on Earth, it's not near enough for the far future.
By far into the future, I'm talking about intergalactic space travel. A lot of focus has been put into space travel and colonization of other planets. Not so far into the future we might be mining and collecting resources on other bodies in our solar system. All this travel will require some form of power. Lets face it, as the human civilization expand, we will need even increasingly amounts of power. At some point we'll surpass what is capable on earth, and will look out to some other source of power. Something in that sort has been devised to collect almost all the energy available in the solar system.
Here comes in the Dyson Sphere. No it's not a vacuum, but it is inside of one. A dyson sphere is in some sense a solar panel on an extreme scale. It's something that would surround an entire star in order to collect all of the light energy that the star is releasing. Now currently, this is an impossible engineering feat for us today, but potential something we could do right now would be a dyson swarm.
A dyson swarm is a ring of objects with photogenic cells orbiting the sun. We could continue to construct rings to form a more net like pattern. This could produce ridiculous amounts of power compared to what we have on earth if we could device a way to transmit the power.
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