Recent experiments that demonstrate the negative refraction of light could bring a heated scientific debate to a close, and give negative-index materials a positive future Figure 1: Negative-index ...
Interactive and printable revision flashcards. Prepare for your GCSE exams revising topics such as changes in energy stores, work, energy and heating and energy demands. FLASHCARDS: Electricity ...
Physicists are involved in an unusually heated debate over the reality of a new kind of refraction and about the possibility of making perfect lenses. Edwin Cartlidge reports. If you think science is ...
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