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Eye Has Self-cleaning System Similar To Brain, Says Research

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Eye Has Self-cleaning System Similar To Brain, Says Research

Researchers have found that the eyes, as well as the brains of mice, have a self-cleaning system – and they believe this could also be applied to humans.

This type of maintenance is necessary to wash the cells and the residual fluids, and we know that the nervous tissue makes use of a small network of tubes known as the lymph system, similar to the lymphatic system that cleans the waste from the rest of the body.

New tests in mice and rats show that the structures at the back of the eyes – such as the optic nerve and the retina – channel the waste through a network much like the one the brain uses.

“Similar to the brain inside the cranial vault, the internal structures of the eye are contained in a confined space, requiring strict control of fluid homeostasis,” write the researchers in the article published in Science.

One of the main jobs of the system is to eliminate toxic beta-amyloid proteins that have been associated with the development of diseases such as Alzheimer’s, glaucoma, and age-related macular degeneration.

Although the research is based on mice and rats, and not on humans, these animals have similar eye configurations to ours – albeit on a more simplified level.

In addition, the discovery of the glymphatic system in the human brain was also inspired by experiments on mice – increasing the chances that, again, this is not just a rodent thing.

“It is the first time that someone has really shown the ocular glymphatic system as an additional pathway for the release of metabolites in the eye and relevant to beta-amyloid,” says neuroscientist Maya Koronyo-Hamaoui, the first researcher to associate protein deposits with Alzheimer’s.

source:- sciencealert

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Starship SN20 can make an orbital flight in a few weeks. SpaceX is preparing corrections

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Starship SN20 can make an orbital flight in a few weeks. SpaceX is preparing corrections

Starship SN20 is a spacecraft that SpaceX has been preparing for a long time. The machine is now assembled and in Boca Chica, it is accompanied by the first stage called Super Heavy.

It is he who will enable orbital flight. When can it be expected? Here the secret was revealed by the founder of the company, Elon Musk.

According to the information provided by Elon Musk in the pages of Twitter, SpaceX will want to conduct an orbital flight of the Starship S20 in the next few weeks.

He claims that everything is basically ready and now the company only expects approval from the relevant authorities. Only then will it be possible to implement such a mission.

Starship SN20 can make an orbital flight in a few weeks. SpaceX is preparing corrections

SpaceX may make changes to the Starship SN20 ship

While the latest prototype is basically ready for launch, there may still be some modifications. Elon Musk has revealed that SpaceX wants to remodel the wings.

They will be made smaller and look slightly different as well. This is to allow, among others on the reduction of elements related to thermal shields. However, these modifications may not appear until later versions.

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When Boston Dynamics’ Atlas Robot Performs Parkour Actions Like a Human

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When Boston Dynamics' Atlas Robot Performs Parkour Actions Like a Human

Boston Dynamics now has some amazing robots like Spot which are currently on sale in the market even though the price is quite expensive.

But not only Spot, but Boston Dynamics now also has several other types of robots that come with their respective abilities, and recently they have demonstrated the capabilities of one of their newest robots, Atlas.

Through a short video uploaded to YouTube, Boston Dynamics shows how the ability of its Atlas robot can perform various parkour actions smoothly.

Because Atlas itself has legs and arms like humans, the robot can also do things like jumping, running, and doing backflips.

Boston Dynamics itself says that parkour is one of the most perfect ways to experiment with Atlas and in the video, it can be seen that this robot can maintain its own body balance when doing activities that are quite difficult.

Surely the presence of this Atlas can help many things in the future. We’ll see when Boston Dynamics will also sell the robot along with Atlas, which is now widely used for various purposes.

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Jeff Bezos’ Blue Origin Company Criticizes SpaceX’s Going To The Moon

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Jeff Bezos' Blue Origin Company Criticizes SpaceX's Going To The Moon

Some time ago the space companies SpaceX and Blue Origin fought to seize funding from NASA to bring astronauts to the Moon. But the result of the fight was won by SpaceX.

Even though NASA had already decided to choose SpaceX as the company that would help it fly astronauts to the Moon, it was found that Blue Origin did not accept it.

Previously, the company created by Jeff Bezos had made an offer to NASA so that the funds provided could be less than what had been promised, now it has released an infographic that compares its rocket with SpaceX.

Through its official website, Blue Origin said that SpaceX’s Starship rocket has a system that is too complicated and also risky for astronauts who will fly to the Moon later.

Jeff Bezos' Blue Origin Company Criticizes SpaceX's Going To The Moon

Blue Origin also compared SpaceX’s Starship rocket with its rocket which is considered much safer.

It was stated that SpaceX needed 10 trials to land the Starship on the Moon, while the Blue Origin rocket was claimed to only need 3 trials to land on the Moon.

In addition, the size of SpaceX’s Starship rocket is said to be too inconvenient, so astronauts will have to descend to the surface of the Moon in an elevator. While Blue Origin has a shorter rocket so astronauts can descend by using stairs only.

But after all, SpaceX already has a lot more experience in outer space. Because they have also worked with NASA to take astronauts to the ISS twice and everything was run successfully without any problems.

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