Mundocurioso

#Mundocurioso NASA offers up to three million to anyone who finds the solution to the problem with the MoonThis week we have seen how Jesús Calleja becomes the third Spaniard to go to space after the successful mission of the New Shepard NS-30 spacecraft, a step that shows that space travel is gradually becoming a normal thing that more people will be able to access, although for now only those with a lot of money can afford it.

But what is clear is that the number of spacecraft going to space will multiply over the years, which means more and more people outside of orbit and consequently, more and more space debris. NASA's Lunar Recycle project is a pioneering initiative designed to address one of the most critical challenges of long-term space exploration: waste management.

#Mundocurioso The cheapest transaction in history: 1,000 million in Bitcoin for 41 dollars
Bitcoin is currently the most valuable cryptocurrency. However, back in 2009 and 2010, these cryptos did not have that prestige; they were a sort of novelty that many considered unimportant. As a result, the first purchases and sales with Bitcoin had laughable prices. The owners of the first Bitcoins sold them for low prices, unaware that they had a fortune in their hands!

When did Bitcoin appear? The blockchain protocol was introduced by Satoshi Nakamoto, and by 2009, the first Bitcoins began to circulate. But in those embryonic years of the cryptocurrency, no one was willing to pay much money for the “virtual coins”. Bitcoin was a novelty only known among a small group of programmers, who seemed to entertain themselves with this new financial technology.

#mundocurioso Lost his private key and with it 7,500 bitcoins: his story is a drama
A fatal mistake in the trash
Howells, an IT specialist from Newport, Wales, mined those 7,500 bitcoins in 2009, when cryptocurrency was just taking off and few understood its potential. He stored his private key —the unique password that unlocks a digital wallet— on a hard drive that he kept alongside another empty one. In 2013, during a cleanup, his partner accidentally threw the wrong drive in the trash. The black bags ended up in a local landfill, and with them went his access to the bitcoins.

When Howells realized the disaster, it was already too late. The Newport landfill had received tons of waste, burying the drive under layers of garbage. At that moment, his bitcoins were worth about $7.5 million, a painful but imaginable loss. Today, with the price of Bitcoin skyrocketing, the magnitude of the mishap is astronomical, turning his story into a modern tragedy.

#Mundocurioso End of life on Earth confirmed by NASA: they reveal the date when the sun will explode and the process that will mark the end: How will the sun explode?
According to NASA, the explosion of the sun will take place in approximately 5 billion years. When the Sun consumes all the hydrogen in its core, it will begin a transformation cycle that will lead it to expand and become a red giant. This phase is crucial and will mark the beginning of its end. The depletion of hydrogen, which is the main fuel for its nuclear reactions, will cause the Sun to start fusing helium. As a consequence, the Sun will grow considerably in size, emitting an extreme amount of energy.

During its expansion, the Sun will absorb the closest planets, such as Mercury and Venus, and Earth will face conditions of extreme radiation and heat. This will lead to the evaporation of the oceans and the loss of the atmosphere, leaving the planet completely inhospitable for any form of life.

#Mundocurioso The first flying electric car is already a reality and it would not have been possible without these two Spanish companies
Throughout history, when talking about what the future would be like, one aspect that everyone agrees on is the arrival of flying cars. We are talking about the fact that 50 years ago people were fantasizing about it, and today we are still doing so, with the main difference being that this is now very close.

This is because the flying car is already a reality, thanks to the American company Alef Aeronautics, who have managed to make their prototype Model A take off vertically, which marks a milestone for the aerial mobility industry.

#mundocurioso Cryptocurrencies are no longer just an investment: this is how they are used in real life
From the screen to the street: a new utility
The shift began to take shape when cryptocurrencies stopped being just numbers on a screen and became functional tools. One of the most visible examples is El Salvador, which in 2021 adopted Bitcoin as legal tender. More than three years later, Salvadorans can pay in BTC at supermarkets, restaurants, and even small local shops thanks to the Chivo wallet and a network of ATMs. Although adoption has not been massive — many prefer the dollar for its stability — the experiment has shown that cryptocurrencies can be integrated into a real economy, especially in a country where a large part of the population does not have access to banks.

#Mundocurioso They discovered a "smartphone" over 1000 years old with inscriptions in Arabic and Hebrew: how does it work?
The ancient invention facilitated the exchange between different cultures and helped determine the distance between the sun and the earth.
In antiquity, scientists used tools to explore their environment and gain certainties that laid the foundations of modern science. Recently, what researchers referred to as a "smartphone" over 1000 years old was discovered.

This ancient artifact was discovered by Cambridge historian Federica Gigante at the Fondazione Museo Miniscalchi-Erizzo in Verona, Italy. This finding represents a valuable record of scientific exchange between Arabs and Jews over a millennium.

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