Publications

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Negative Refraction Makes a Perfect Lens

With a conventional lens sharpness of the image is always limited by the wavelength of light. An unconventional alternative to a lens, a slab of negative refractive index materi...

2000 Physical Review Letters 11898 citations

Parkinsonism

PARKINSONISM, described in its entirety over one hundred and fifty years ago,' rarely presents itself as a diagnostic problem.In consequence, little scrutiny has been directed t...

1967 Neurology 11783 citations