cookies-the oven arrived on the ISS. The astronauts will test the effects of heat and gravity to shape and texture of the biscuits. What sounds like a pre-Christmas joke, has a scientific Background: Until today, can not be baked at All. All the food is prepared on the ISS, is warmed up.
This is especially for long missions in space is a Problem, in which food is produced must be. Resources that need to be supplied with rockets from the earth into space, are very expensive. If food can be, and with the oven processed, manufactured, that would save a lot of money.
conduction instead of convection
Hot air rises and makes use of a conventional oven. If a stove is heated from below, begins to circulate the air. It doesn’t work without gravity. This mechanism is also convection is called.
In space, it relies on a different mechanism called conduction. The air is heated from all sides, without is circulated until the heat fills the oven.
Soon to be a Hotel in space?
But why, of all things, baked cookies, first of All? The funders of the experiment, the hotel chain Hilton Double Tree is. The Double Tree Cookie is a trademark of the company, and since the founder, Conrad Hilton dreamed of 1958 of a Hotel in space, to mark this fresh-baked cookies as a first step in the aliens of hospitality. (scs)
Created: 18.11.2019, 20:13 PM