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Elon Musk, the inventor and CEO of Tesla and SpaceX, told "Axios on HBO" that humans must merge with machines to overcome the “existential threat” of artificial intelligence. 

The big picture: Musk said artificial intelligence is "just digital intelligence. And as the algorithms and the hardware improve, that digital intelligence will exceed biological intelligence by a substantial margin. It's obvious." And he said we're way behind: "We're like children in a playground. ... We're not paying attention. We worry more about ... what name somebody called someone else ... than whether AI will destroy humanity. That's insane."

  • Musk's bottom line: "My faith in humanity has been a little shaken this year. But I’m still pro-humanity."

Why it matters: Musk warned humans could go the way of monkeys, dismissed to small pockets of the Earth. That could happen, he said, if we don’t respond more urgently to the dire and increasingly real threat of machines holding exponentially more knowledge than mankind. 

  • "When a species of primate, homo sapiens, became much smarter than other primates, it pushed all the other ones into a very small habitat," Musk continued.
  • "So there are very few mountain gorillas and orangutans and chimpanzees — monkeys in general."
  • "They occupy small corners of the world — cages. ... Zoos. Even the jungles that they're in are narrowly defined so they were sort of like big cages ... So, you know, that's one possible outcome for us."

Musk said his neuroscience company, Neuralink, has about 85 of "the highest per capita intelligence" group of engineers he has ever assembled — with the mission of building a hard drive for your brain. 

  • "The long-term aspiration with Neuralink would be to achieve a symbiosis with artificial intelligence."
  • Wait. What? "To achieve a sort of democratization of intelligence, such that it is not monopolistically held in a purely digital form by governments and large corporations."
  • Musk said he'll do that with an "electrode-to-neuron interface at a micro level" — "a chip and a bunch of tiny wires" that will be "implanted in your skull."
  • "I believe this can be done. ... It's probably on the order of a decade."
  • "And by the way, you kind of have this already in a weird way: You have a digital tertiary layer in the form of your phone, your computers, your watch. You basically have these computing devices that form a tertiary layer on your cognition already."

Musk said an immediate application could be spinal cord injuries:

  • "We already know how to do this: Implant electrodes into the motor cortex of the brain, then bypass the severed section of the spine and have effectively local micro controllers near the muscle groups. It could restore full limb functionality."
  • "As people get older, they lose their memory — incredibly sad to have a mother forget her children, and that can be solved too."

And Musk said people don't appreciate the damage off-the-shelf AI presents today:

  • "You could make a swarm of assassin drones for very little money. By just taking the face ID chip that's used in cellphones, and having a small explosive charge and a standard drone, and just have it do a grid sweep of the building until they find the person they're looking for, ram into them and explode. You could do that right now. ... No new technology is needed."

But perhaps an even bigger threat, he said, is "incredibly effective propaganda ... influence the direction of society. Influence elections."

  • AI can hone a message by watching online feedback and reacting to news, then making the message "slightly better within milliseconds."
  • Musk said Washington is losing the war to control AI: "The way in which regulation is put in place is slow and linear. And we are facing an exponential threat. If you, if you have a linear response to an exponential threat, it's quite likely the exponential threat will win. That, in a nutshell, is the issue."

After a string of mind-stretchers, Musk added: "Maybe we're in a simulation.”

  • "Are you joking?" we asked. "You're joking, right?"
  • Musk replied: "I'm not joking."
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Go deeper

Updated 1 hour ago - Sports

Swimmer Chase Kalisz first American to win Tokyo Olympics gold medal

Chase Kalisz of Team United States celebrates after winning the Men's 400m Individual Medley Final on day two of the Tokyo 2020 Olympic Games at Tokyo Aquatics Centre in Tokyo, Japan. Photo: Al Bello/Getty Images

Swimmer Chase Kalisz has become the first Team United States Olympian to win gold at the Tokyo Games.

The big picture: The Rio 2016 silver medalist's winning time in the men's 400 meters Individual Medley Final was 4 minutes 9.42 seconds. His teammate Jay Litherland took silver, .86 seconds behind him. Moments later, Kieran Smith grabbed a third medal for the U.S. when he won bronze in the 400-meter freestyle.

Go deeper: Full Axios coverage

Editor's note: This article has been updated with new details throughout.

DOJ won't investigate nursing home deaths in N.Y. and 2 other states

People who've lost loved ones due to COVID-19 while they were in New York nursing homes attend a March protest and vigil in New York City. As of this month, Photo: Spencer Platt/Getty Images

The Department of Justice has decided not to launch a civil rights investigation into whether policies in New York, Pennsylvania and Michigan contributed to pandemic deaths in nursing homes, according to a letter sent to Republicans.

Why it matters: The Trump DOJ requested data from the three states plus New Jersey last August "amid still-unanswered questions about whether some states, especially New York, inadvertently worsened the pandemic death toll by requiring nursing homes to accept residents previously hospitalized for COVID-19," per AP.

Former Blizzard CEO says he "failed” women at the studio

Image: Neville Elder / Getty Images

Mike Morhaime, who co-founded and worked at video game studio Blizzard for 28 years, has apologized publicly for toxic work conditions at his former studio, which is now the subject of a discrimination and harassment lawsuit by the state of California.

Why it matters: Morhaime is no longer at Blizzard, but was its leader for most of its existence and therefore was in charge when much of what is alleged in California’s suit would have occurred.