In typical rockets the mass ratio is between 10 and 30. Imagine a rocket with a total mass of 1 ton and a mass ratio of 1000: when empty, it would only weight one kg, including its cargo, while when full it would need to contain 999 kg of fuel!
Benefits of Bee Propolis For Skin Apparently, natural bee propolis is considered good for younger, acne prone skin, as well as more mature skin. Itâs now being used as a wrinkle fighter by what seems to be a growing number of women.
Honey may (rarely) contain spores that can lead to infant botulism, even though it is completely safe for older children and adults. Here are 11 health benefits of honey: 1. Before your next workout, try having a spoon of honey for a great energy boost. Honey is 80% carbohydrate, which consists of four different natural sugars.