Applied physicists in the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have demonstrated a new ...

Making a perfect lens that produces flawless images has been a dream of lens makers for centuries. In 1873, Ernst Abbe discovered a fundamental 'diffraction limit' in optics: whenever an object is ...

Ole Miss' Cinderella run to the College Football Playoff semifinals has ended in controversy. To cap a wild finish in which the lead changed hands four times, Ole Miss had a final play at Miami's ...

Physics Class 10 Practical Viva Questions 2026: Viva-voce questions are an important part of the Class 10 Science Practical Examination 2026. Students must be prepared to answer questions clearly, ...

Several approaches are capable of beating the classical 'diffraction limit'. In the optical domain, not only are superlenses a promising choice: concepts such as super-oscillations could provide ...

Abstract: Device-Free mmWave Sensing (DFWS) could sense target state by analyzing how target activities influence the surrounding mmWave signals. It has emerged as a promising sensing technology.

🔬Choosing the right diffraction grating can be tough, because there are so many options based on type, material, and configuration. But we did the homework, looking into efficiency, resolution, and ...