#galay

This is an element that connects all other elements, even though it might seem less relevant. This distance from the nature of Earth lifts us up as high, in impractical and mental planes that don't satisfy our physical needs. Still, this is the element that can be found in all others. We may say that the beginning of life wouldn't be possible without Fire, but there would be no fire without air? Do you get what I mean? Anyway..

The element Air gives us the room to breathe, widens our lungs, and with that allows us to open our Soul up to personal freedom. All signs that belong to this element have a strong need to feel liberated and free. 

Air Signs

Signs that represent the element Air in the zodiac are Gemini, Libra and Aquarius. It is interesting to notice that two of them have a problem with the Sun, Libra taking it to all and Aquarius too detriment. This is understandable as the Sun keeps everything in order, everything circling around it. 

Looking at the bigger picture, people born under the strong influence of these signs have a hard time fitting into a regular order, no matter if it is their country or their workplace. Their main goal in life is often to just stop pleasing others and working about their opinions, so they can be able to follow their brightest and most liberating ideas. 

How Do We Balance Air?

The biggest challenge for every individual marked by Air is to find grounding and to understand the importance of their body. They have a strong tendency to remain in higher spheres, where everything is lighter and seems possible (they are highly optimistic) It is not east to find a way to implement their ideas, intelligence and knowledge into practical things and truely make them alive.

Luna by Ysenna

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Scientists have announced a breakthrough with an ion thruster that could one day take humans to Mars.

It’s called the X3 thruster, a type of ion propulsion known as a Hall thruster. This technology is alluring because it can theoretically achieve higher speeds than conventional chemical propulsion.

In a series of tests at NASA’s Glenn Research Center, researchers said they had now achieved a record power output for a Hall thruster, opening up new avenues of research.

“We have shown that X3 can operate at over 100 kW of power,” Alec Gallimore, the project’s lead and the dean of engineering at the University of Michigan, told Space.com. “It generated 5.4 Newtons of thrust, which is the highest level of thrust achieved by any plasma thruster to date.” (The previous record was 3.3 Newtons.)

Ion thrusters are alluring because they promise high thrust with little fuel input. With little propellant needed, they can theoretically operate for much longer than conventional thrusters, achieving much higher speeds.

We’ve tested out quite a few, too. The longest-running is on NASA’s Dawn spacecraft, which is currently in orbit around the dwarf planet Ceres and launched in 2007. However, that has a thrust of just 90 microNewtons (0.00009 Newtons). Hall thrusters offer a much higher thrust.

Artist’s impression of Dawn. NASA/JPL-Caltech

They involve accelerating plasma at extremely high speeds. Electrons are used to bump into atoms, normally of xenon gas. This knocks off more electrons, producing positive ions and thrust. Slowly, over time, this continually increases the speed of a spacecraft.

In theory, a Hall thruster could get a spacecraft up to 40 kilometers (25 miles) per second, eight times faster than a chemical propulsion spacecraft with a top speed of 5 kilometers (3 miles) per second.

Thus, they are hugely promising for spaceflight. If used on manned missions to Mars, for example, the spacecraft could require less propellant and thus more easily be launched into orbit. However, Gallimore noted such an engine would need a lot of power, which is why the X3 thruster is so promising.

By using a bigger thruster, the team said they use multiple channels of plasma rather than just a single channel – called a nested channel. This could allow for these high speeds to be achieved.

This is not the only ion thruster research being conducted. NASA has several other projects on the go, to try and improve methods of spaceflight. Maybe the first humans that go to Mars will have a revolutionary ion thruster to thank.

(H/T: Space.com)