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Space Spiders: Opinion

  • Aliya Prokofieva
    ⭐ Features

    Humankind is chasing the dream of immortality


Space Spiders: Opinion
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Aliya Prokofieva is founder of the international space company “Galaktika,” space exploration visionary and active public speaker. She writes for U.Today on the cutting edge tech and disruptive projects that may change the life of billions of people.

Another solution has been found for the implementation of my plan to transfer production to space and create an orbital city. The details are below.

Actual web is a gem technology

It is common knowledge that spiders are fine weavers.


The thread that spiders produce has unique characteristics fully adapted for hunting. It is durable for its thickness, sticky, elastic and perfectly forms a network without any knots or additional fasteners. Now, for example, Japanese scientists are experimenting with some species of spiders, using genetic engineering, in order to get the most durable natural fiber. Carbon nanotubes are interwoven into this fiber to create a completely new quality- this "rope" is almost impossible to break. The ratio of the cross-section of the filament to the force applied to the break has no analogs in the modern world. These developments have not yet been put to practical use which is necessary for mass production, but scientists, as they say, are on the home stretch.

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Countdown starts now

Not only has the web itself prompted scientists new technical analogies with the arachnoid species- the spider, developing a thread, moves on a web, making circular and radial movements. The carriage of the inkjet printer, where the cartridge is installed, moves in the same way, but only within the limits of the size of the device. Currently, 3D printers are very static devices.

What if we make the printer move in space and create extended 3D structures? This would be a great solution for outer space!

Then there would be no need to transport parts from Earth and their installation by astronauts to outer space. Another important point is the absence of seams or other joints that affect the rigidity of the structure.

It is these considerations that prompted the developers of Tethers Unlimited to create an arachnoid-like robot-3D printer SpiderFab. It's amazing how much this robot look resembles a spider! It has four limbs, each of which is a separate printer (the developers are going to increase the number of "legs"), the inflated "abdomen" is a container with the material for printing. Also, the robot has an autonomous power plant with a solar array for constant recharging. The robot will be able to move in the process of printing and create frame structures in the image and likeness of natural cobwebs.

The introduction of such a robot will solve the global problem- the creation of objects in space with such dimensions that the present state of technological development is not yet capable of. As I wrote above, the expensive delivery of parts and elements from the Earth will no longer be necessary. Also, all the "delights" of space mining will be revealed, when the elements extracted on asteroids and planets will be used. Space materials researched will allow creating such composites for printing, which were not possible under terrestrial conditions. Such a printer will be able to print any complex object in orbit, from a part or a spare part to gigantic stations. This would lead to materials being in abundance!

And now imagine a whole fleet of cosmic "spiders" that weave in the high orbit of the Earth an openwork skeleton of a giant object, in the near future finding the outlines of a space city... And this is no longer a dream!

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Cover image via u.today
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Question of the Day: Can Stablecoins Accelerate Cryptocurrency Adoption?

  • Yuri Molchan
    ⭐ Features

    Stablecoins show hardly any volatility compared to Bitcoin and altcoins, many are hoping that they will be able to bridge new crypto economy and regular fiat money


Question of the Day: Can Stablecoins Accelerate Cryptocurrency Adoption?
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Bitcoin, the father cryptocurrency, emerged in hope that it will remove all intermediaries in electronic commerce that cut off their share of payments. BTC was perceived as a P2P way to replace fiat cash in an electronic format, which would enable one party to pay another without any financial institution or payment platform which would demand its share of a transaction as a reward for its services.

What is wrong with Bitcoin

For quite a while Bitcoin was performing the way the crypto community expected. But the situation changed later – BTC rate became weaker, thus bringing down its financial and economic reliability, when it gets to be used as a regular means of payment.


You cannot have a currency that would cost like a British castle today, a gram of gold – tomorrow and a pack of French fries the day after.

At that point practical fintech minds came up with an idea of creating something which would become a breakthrough in the universe of crypto – a so-called stablecoin.

Will stablecoins solve the volatility problem?

Technically, stablecoins are protected from the volatility roller-coaster that Bitcoin and other cryptos love to ride. They are programmed to keep their prices stable and investors now are largely attracted to this new type of digital assets.

Stablecoin does not show any volatility in its monetary value, since it has a fixed connection to an asset it is pegged to. The major goal of using stablecoins is taking the best from decentralized crypto coins and combining it with a constant value. Thanks to it, stablecoins can be used as a reliable means of trade.

Asset-pegged stablecoins

Asset-backed ones get their value from an asset as can be understood from the name. An asset provides the necessary value to a coin, as well as the necessary legitimacy.

A great example of an asset-pegged stablecoin is Tether (USDT). In spite of a series of scandals at the end of last year, it remains the most popular stablecoin in the crypto market.

Recently, it has partnered with the Tron Foundation to launch a Tron-based stablecoin.

Other examples are TrueUSD (TUSD), USD Coin (USDC), the Gemini Dollar (GUSD), and the Paxos Standard (PAX). They are all pegged to the USD.

Crypto-backed stablecoins

Some digital coins work in a similar way to fiat-backed ones, however, they are pegged to collateral crypto. That means that crypto assets that ensure the value of such stablecoins are stored in a wallet similar to escrow.

A good example of a crypto-pegged token is Maker, which is ranked 16 on CMC.

Algorithmic stablecoins

Even though, stablecoin can be interesting at first thought but the way they are built goes against the principle of decentralization that crypto coins have as a foundation. Thus, many crypto fans and evangelists are positive that stablecoins must be linked towards not a centralized asset but a computer algorithm which takes value from a balance between supply and demand.

Basis is now considered the most promising algorithmic stablecoin of all.

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Can stablecoin ensure smooth future for the crypto industry?

The primary goal of all crypto assets was and remains to come up with virtual asset that would be liquid enough and not vulnerable to market volatility. From this point of view, stablecoins are a dream of all crypto fans and evangelists of a decentralized economy.

Apart from the potential to conduct crypto transactions smoothly, experts believe it can bridge the two worlds – fiat and crypto, bringing them a mutually beneficial coexistence. However, that may take time.

Cover image via u.today
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