Abstract: geodesic-lenses are a compelling alternative to traditional planar dielectric lens antennas, as they are low loss and can be manufactured with a simple mechanical design. However, a general ...

Learn how concave mirrors form images with a clear, step-by-step explanation that makes the mirror equation easy to ...

Please Note: All times UK. Tables are subject to change. The BBC is not responsible for any changes that may be made. Manager: Luís Castro Formation: 4 - 3 - 3 Manager: Pierre Sage Formation: 3 - 4 - ...

Abstract: Classical methods for X-ray computed tomography are based on the assumption that the X-ray source intensity is known, but in practice, the intensity is measured and hence uncertain. Under ...

Please Note: All times UK. Tables are subject to change. The BBC is not responsible for any changes that may be made. Manager: Alexandre Dujeux Formation: 4 - 2 - 3 - 1 Manager: Pierre Sage Formation: ...

When we think of X-rays, we generally think of the human body's skeletal structure, but in the 1930s, one osteopathist turned his attention to the anatomy of plants and used his X-ray machine as what ...