Why do we have food cravings?
Reading Time: < 1 minuteCAN’T stop thinking about that bag of potato chips all day? Chocolate bar? Doughnuts? So why do we crave for the food we crave? What is the science behind food cravings? More often than not, food cravings are associated with one’s desire and emotional needs. For instance, carb cravings arise when we are stressed or […]
How do microwave ovens work?
Reading Time: < 1 minuteMICROWAVE ovens cook and heat food incredibly fast, in minutes or less. But how does this great invention work? Microwave ovens operate in the electromagnetic spectrum at about the same frequency as a lot of telephones—2450 megahertz, but they have more power output as compared to cell phones. Microwaves do most of their work on […]
Who invented carbon dating?
Reading Time: < 1 minuteBEFORE 1940s, scientists had no accurate way of determining the age of fossils or other ancient objects. They had to rely on relative dating techniques, which were far from accurate. In 1947, Willard Frank Libby first proposed his radiocarbon dating theories. Soon after, he presented evidence of its efficiency in various field experiments. Libby figured […]
What is the resolution of human eye?
Reading Time: < 1 minuteA 576-megapixel resolution means that in order to create a screen with a picture so sharp and clear that you can’t distinguish the individual pixels, you would have to pack 576 million pixels into an area the size of your field of view. You only see high resolution in a very small area in the […]
Where is the world’s largest active volcano?
Reading Time: < 1 minuteTHE ever famous tourist vacation spot, Hawaii, is home to the world’s largest volcano, Mauna Loa. To date, the lava produced by this enormous volcano piled up to a height of 13 680 ft above sea level. From its base (below sea level) to summit, Mauna Loa measures to about 56 000 ft (approximately 17 […]