Ancient Roman concrete arches contained volcanic ash, which helped them self-heal when cracks formed by reacting with water. This made them incredibly durable, lasting for millennia.
The first photo of a person was an accident. In 1838, Louis Daguerre took a photo of a Paris street that appeared empty due to the long exposure time—except for a man getting his boots shined, who stood still long enough to appear in the image.
Humdinger means something or someone very remarkable or admirable. However, it was adopted in mid-1940 by American airmen to mean fast aircraft or vehicle or a smooth-running engine
NASA’s Webb Telescope recently studied tiny dust particles in space, likely from asteroids and comets. These particles could reveal insights into planetary formation and the spread of essential life materials. Scientists aim to uncover cosmic processes