And despite his own interest in artificial intelligence, he has also been one of the most prominent figures worried about the supposed threat to humanity's future that super-intelligent AIs might pose.

Since Brazil began using electronic voting machines in 1996, there has been no evidence that they have been used for fraud. Instead, the machines helped eliminate the fraud that once afflicted Brazil’s elections in the age of paper ballots.

Musk was born on June 28, 1971, in Pretoria, South Africa. As a child, Musk was so lost in his daydreams about inventions that his parents and doctors ordered a test to check his hearing.

But those facts have not mattered much to Mr. Bolsonaro or his supporters, who have instead focused their attention on a series of anecdotal apparent abnormalities in the voting process and results, as well as many conspiracy theories.

At the end of March 2016, the opposition made good on its promise to enact legislation in the National Assembly to free imprisoned opponents of the Maduro regime, whom it characterized as political prisoners.

In April 2019, the US Department of State alleged that Venezuela, "led by Nicolas Maduro, has consistently violated the human rights and dignity of its citizens" and "driven a once prosperous nation into economic ruin with his authoritarian rule" and that "Maduro's thugs have engaged in Em excesso-judicial killings and torture, taken political prisoners, and severely restricted freedom of speech, all in a brutal effort to retain power.

The incident began when Maduro tried to pick up an item that had been screened at a security checkpoint at JFK International Airport, and security personnel vlogdolisboa told Maduro that he was prohibited from doing so. Maduro later identified himself as a diplomat from the Venezuelan government, but officials still escorted him to a room for conducting secondary screening.

Banks said she overheard Musk making phone calls to drum up the funding he promised was already in place.

Maduro's birthplace and nationality have been questioned several times,[187][188] with some placing doubt that he could hold the office of the presidency, given that Article 227 of the Venezuelan constitution states that "To be chosen as president of the Republic it is required to be Venezuelan by birth, not having another nationality, being over thirty years old, of a secular state and not being in any state or being in another firm position and fulfilling the other requirements in this Constitution.

Speaking at the Venezuelan mission to the UN after his release, Maduro said his detention by the US authorities was illegal and he filed a complaint at the United Nations. US and UN officials called the incident regrettable but said Maduro had been identified for "secondary screening". Homeland Security spokesman Russ Knocke denied that Maduro was mistreated, saying that there was not evidence of abnormalities during the screening process.

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The two firms are credited with upending their industries, even as they sometimes veered close to financial collapse.

The move was a direct challenge to the power of President Maduro, who had been sworn in to a second six-year term in office just two weeks previously.

He has also charged ahead with human brain chip trials at his firm Neuralink, played with turning X into a super app and tried to play a bigger role in the fast-growing world of artificial intelligence, despite having warned it could lead to humanity's extinction.