A slotted breakwater is a kind of perforated breakwater with vertical slots in the front wall of the structure. It can provide a sheltered area for loading and unloading of ships and crafts. In this ...

THE following is a summary of some of the work with Rontgen rays brought under our notice during the past week:— The results of a scientific study of the properties of Róntgen rays are stated in a ...

On rainy evenings, when driving, there are times when lane markings suddenly disappear. This phenomenon occurs because the lane markings, which need to reflect light, are submerged in rainwater and ...

Saturn’s oblong moon, Hyperion, reveals its surface variation in a recently released false-colour image taken by NASA’s Cassini spacecraft. Hyperion is exceptionally dark for a Saturnian moon, ...