Original sentence: In the year 2000, R.Scientists Take Step Toward Invisibility, Australian Broadcasting, Reuters with Invisibility Cloak a Step Closer, and the (Raleigh) News & Observer with 'Invisibility Cloak' a Step Closer.Shelby, David Smith, and Sheldon Schultz constructed a prism composed of metamaterials to experimentally test for negative refractive index
Edited sentence: In 2000, R.Schultz constructed a prism composed of metamaterials to experimentally test for negative refractive index.Scientists Take Step Toward Invisibility, Australian Broadcasting, Reuters with Invisibility Cloak a Step Closer, and the (Raleigh) News & Observer with 'Invisibility Cloak a Step Closer.Shelby, D.Smith, and S