Physicist Design Laser System To Cloak Earth From Bad Aliens
Apr 5, 2016 12:49:45 GMT -6
Nugget, Mystic Wanderer, and 2 more like this
Post by Rickster on Apr 5, 2016 12:49:45 GMT -6
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Just when you think you have heard everything along comes an idea we cloak the earth? We actually have lasers that can do this? Who thought of this idea? I am asking this series of questions because everyone in their right mind knows you don't address a perceived problem unless it already exist. Necessity being the mother of invention. I mean really ask yourself how you get funding for a project like this? You go to management and say "Hey I have a good idea lets spend a billion on lasers for a laser system to cloak the earth because their is a future chance we could be invaded by bad guy aliens."
Senior manager says slapping his forehead "OMG, that's brilliant is a billion going to be enough? how will you do it?" Do you really think bad guy aliens are watching our planet? How did you come up with this idea? Scientist One: While smoking dope in a dream state. Manager: Dude that's some powerful weed man. Yeah but dude it lets me see the future, want some? Yeah man scientist rock my world...
This of course assumes they are as evolved as we are in that they look for the same thing when it comes to life outside of their solar system. But of course one of the flaws in this theory is if we are protecting ourselves from invasion for bad guy aliens that look at planets the same way we do is why don't they just drive over and have a look see from what they already know? Scientist are are the stupidest smart people I ever met.
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So in the end I ask myself what do they already know?
"We humans are pretty into the idea of finding aliens, but have we really thought through what would happen if we stumbled across extraterrestrial intelligence that didn't want to 'come in peace', and instead was hell-bent on mining our fair planet for everything it's got?
No? Well, luckily for us reckless daydreamers, astronomers have our back, and have come up with a pretty solid plan that would cloak our planet from any bad-guy aliens out there looking for us. And it relies entirely on lasers (what else?)."
No? Well, luckily for us reckless daydreamers, astronomers have our back, and have come up with a pretty solid plan that would cloak our planet from any bad-guy aliens out there looking for us. And it relies entirely on lasers (what else?)."
Senior manager says slapping his forehead "OMG, that's brilliant is a billion going to be enough? how will you do it?" Do you really think bad guy aliens are watching our planet? How did you come up with this idea? Scientist One: While smoking dope in a dream state. Manager: Dude that's some powerful weed man. Yeah but dude it lets me see the future, want some? Yeah man scientist rock my world...
"So how does it work? In order to find planets outside our Solar System, we watch other stars and look for signs of their light dimming periodically, which indicates that a planet is passing in front of them.
By watching how often a planet crosses its sun, and how much light it blocks, we can get a pretty good idea of how close the planet is to its star, and how big it is. And because we can't possibly examine every planet in the Universe, we use that information to work out which might be most interesting to us. So for humans, that's planets that might contain water, or could be habitable.
Assuming big-bad aliens use a similar technique to look for planets that interest them, we'd have to find a way to stop them from noticing Earth as it passes in front of the Sun if we wanted to stay off their radar - and that's where the lasers come into it.
A team from Columbia University has now proposed a system that would fire a laser at the precise moment Earth crosses in front of the Sun, so that stars lying along the same plane wouldn't even notice the light dimming.
The idea started off as an attempt to alter the signal we were broadcasting about our planet's orbit into space, but then the team realised we could actually cloak our planet entirely if we wanted.
In order to hide our existence in terms of optical wavelengths - so that no one could see us - the astronomers calculate that we'd need to blast a 30 megawatt laser for about 10 hours once a year.
By watching how often a planet crosses its sun, and how much light it blocks, we can get a pretty good idea of how close the planet is to its star, and how big it is. And because we can't possibly examine every planet in the Universe, we use that information to work out which might be most interesting to us. So for humans, that's planets that might contain water, or could be habitable.
Assuming big-bad aliens use a similar technique to look for planets that interest them, we'd have to find a way to stop them from noticing Earth as it passes in front of the Sun if we wanted to stay off their radar - and that's where the lasers come into it.
A team from Columbia University has now proposed a system that would fire a laser at the precise moment Earth crosses in front of the Sun, so that stars lying along the same plane wouldn't even notice the light dimming.
The idea started off as an attempt to alter the signal we were broadcasting about our planet's orbit into space, but then the team realised we could actually cloak our planet entirely if we wanted.
In order to hide our existence in terms of optical wavelengths - so that no one could see us - the astronomers calculate that we'd need to blast a 30 megawatt laser for about 10 hours once a year.
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"And, for all of you who remember that famous affidavit of Dr. Carol Rosin about the “game plan” for weaponizing space – first Communists, then terrorists, then nations of concern, then asteroids, and finally, ETs – this might be the first little indicator that we’re moving into ET phase even as the increasing calls for “asteroid defence” weapons have been increasing around the world.
