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Millimetre waves can also look at things on a very small scale. Magnetic resonance, one type of which is used in hospital MRI scanners, can tell scientists about what's inside materials. There are a great many possible applications. looking at molecules such as DNA and proteins can help with the development of more effective drugs. Understanding the structure of thin magentic films improves hard disk capacity. The pictures show HIPER, the first of the next genration of electron spin resonance machines, built in St Andrews. HIPER shines very short intense pulses onto the sample then looks for tiny signals coming back billionths of a second later. This is like staring into a car's headlights then trying to see a candle straight afterwards! |
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'Vision For The Future' is an EPSRC funded project run by the MMW group at the University of St Andrews
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