Science, Fiction, Life

Tag: protoss

Force Fields and Plasma Shields

I was always a fan of the Protoss: super-advanced technology, powerful units, and those awesome plasma shields protecting everything from the lowliest probe to gigantic carriers. But I always wondered: could those force fields really work?

Well… Sort of.

It really depends on your definition of a force field and what you want to prevent from passing through. Electric and magnetic fields can exert forces on charged objects, so you could call those “force fields.” If you accept that definition, then there have actually been some NASA studies of how to use force fields on spacecraft and lunar bases.

One of the biggest problems facing human space exploration (aside from the politics) is that space is a dangerous place for humans. Even if we can launch people to Mars, there is a lot of radiation out there, both from the sun and from high-energy events out in the galaxy. That’s why two studies at NASA’s Institute for Advanced Concepts (which has, sadly, been canceled due to lack of funding) looked into deflecting the radiation with electromagnetic shields. Continue reading

Could Cloaking Devices Work?

By now, you have probably seen the absolutely epic Starcraft 2: Ghosts of the Past trailer. If not, take a look at this, and pay particular attention to the depiction of Sarah Kerrigan’s cloaking device at about 11 seconds in:


Cloaking is common in science fiction: Star Trek pioneered it with the Romulans, and other popular franchises like Star Wars and Predator and Halo have used it. And of course in Starcraft and Starcraft 2 both the Terrans and the Protoss have a whole variety of cloaked units. But could it really work? You may be surprised to learn that the answer is yes!

Obviously, this sort of technology would be extremely useful for the military, so they are funding research into technologies that could make it a reality. There are basically two ways that you could achieve “cloaking”. The first way would be to actually divert light around the cloaked object, so that it appears not to be there. Continue reading

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