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This year's Reith Lecturer is the distinguished engineer, Lord Broers. He is President of the Royal Academy of Engineering and Chairman of the House of Lords Science and Technology Committee. He was a pioneer of nanotechnology and the first person to use the scanning electron microscope for the fabrication of micro-miniature structures.

In his fourth Reith Lecture, Lord Broers examines nanotechnology - the manipulation of matter at an atomic or molecular scale. He believes it has captured the public's imagination and given rise to the full range of emotions from admiration to fear. He explores the origins of nanotechnology with its roots in electronics and uses the relationship between it and nanoscience to illustrate the more general relationship between science and technology.