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" "[D]on't be afraid to challenge yourself. Don't shy off doing something just because you think that it's hard. It's when we're doing something hard that we really make a difference. So dig deep and don't be afraid to dream.
Suzanne Lyn Sheehy (born 1984) is an Australian accelerator physicist who runs research groups at the University of Oxford and the , where she is developing new s for applications in medicine.
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Well they quickly realized that this was crazy, and that they were never going to be able to actually make a weapon out of one of these machines. Mostly for the reasons that I explained before. Even if you had the Large Hadron Collider in space, I have no idea how you'd get it up there, but even if you did, it would... be difficult to do damage with it. Mostly because beams would just go through things and out the other side.
What about the ? ...People have done studies in outer space of astronauts and how long they could survive in the vacuum... That information say that you can survive in outer space with your spacesuit open for about ten seconds before you're ripped apart by the vacuum. So I don't think that's going to get you first.
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Now it's not obvious to most people how this acceleration mechanism of using a wave to accelerate particles actually works. So I have a little demonstration... of an everyday example where I can use a wave to accelerate some particles. This is just an ordinary fluorescent tube that you have in the ceiling... Over here I have a plasma ball which has a 30 kHz oscillating AC voltage supply. So there's a voltage, it's a couple of kilovolts that's going up and down, up and down, up and down in the center of that thing, 30,000 times a second. And because of that, out of the plasma ball... comes an electromagnetic wave that's traveling... through space. So move towards the plasma ball and point the fluorescent tube toward the plasma ball. [It lights up] ...So actually if you move it away, notice that it's still on. Now a lot of people show this demonstration with the fluorescent tube touching the plasma ball and say that it's something about completing a circuit... It's not. It's the electromagnetic wave that's coming out... which is traveling through the fluorescent tube, exciting the electrons inside. ...you know how a fluorescent tube works.