Complex sentence: In 2004 Keith was awarded the prestigious Victoria Prize for his pioneering work with quantitative phase imaging, a technique that can greatly expand the amount of information gained from viewing objects under microscopes, in X-rays or even living tissue.
Split into simpler sentences: In 2004 Keith was awarded the Victoria Prize for his work with quantitative phase imaging. This technique can greatly expand the amount of information gained from viewing objects under microscopes, in X-rays and in living tissue.