Episode summary
World-Renowned Physicist: You've Been Lied To About Reality! - Michio Kaku
The Diary of a CEO
· · Hosts: Steven Bartlett · Guests: Michio Kaku
Summary
Michio Kaku argues that physics is fundamentally about the biggest questions: where the universe came from, whether life exists elsewhere, and what reality itself is made of. He presents string theory as a possible “theory of everything,” a single framework that could unite gravity, light and the nuclear forces, while also explaining subatomic particles as different vibrations of one underlying string.
He says the universe likely began with the Big Bang about 14 billion years ago, but he treats the Big Bang as incomplete because it does not explain what caused it. His preferred picture is a broader multiverse, where empty space can froth with tiny bubbles and one bubble became our expanding universe. He also links black holes, wormholes and space warps to the possibility of shortcuts across the cosmos, though he emphasizes that interstellar travel with current rockets would take 70,000 years.
On aliens and UAPs, Kaku says intelligent life elsewhere is highly likely, but he is not persuaded that current sightings prove visitation. He is more skeptical of simulation theory, more confident that reality is only a tiny slice of what exists, and deeply concerned that AI, quantum computing and other technologies could be used destructively as well as constructively.
Key takeaways
- Kaku says string theory could unify all four fundamental forces and turn particles into different vibrations of one underlying string.
- He argues the Milky Way’s 100 billion stars make extraterrestrial life likely, but current UAP reports are not proof of alien visitation.
- He says current rockets would need 70,000 years to reach the nearest star, making space warps or wormholes the only plausible shortcut.
- Kaku treats the Big Bang as real but incomplete, favoring a multiverse picture in which empty space can generate new universes.
- He warns that quantum computers and AI could become destabilizing technologies, including by breaking into banks and enabling new weapons.
Notable quotes
“An equation perhaps no more than one inch long that will allow us to quote read the mind of God”
“No, we are not alone because a galaxy has 100 billion stars of which maybe 10% have planets that are earthlike or are similar to Earth”
“A Saturn 5 rocket would take 70,000 years just to reach the nearest star”
“Everything is basically a vibrating string. So when the string vibrates in this direction, we call it an electron”
“I would say the answer is probably no”
How the episode opens
Immortality is tantalizing close — And you think it's possible within the laws of physics and biology.
Yeah. In fact, we know that there's a clock in our body called the tie that tracks how long we're going to live and there's something called talomeorase which stops the clock which means that we can live forever. That's the good news.
But the bad news was we found out that cancer also uses tie and talomeorase to live forever. And so the question is can we apply that to humans without wakening up the cancers? But this is not science fiction.
This is the future.
And for 71 years, you've been studying physics and how science will shape human destiny. So how is life likely to be different in the future?
Well, decade by decade, we see the enormous progress that we humans have made. For example, we'll probably be on the moon, maybe Mars, and also the artificial intelligence will help us to cure cancer and many diseases. However, for the first time in human history, we have the potential of destroying ourselves with designer germs, nuclear weapons, perhaps artificial intelligence.
Like this is a quantum computer. This is so powerful that even the CIA is worried about the fact that these could break into any known computer,
Including banks, even Bitcoin. — That's right. So, capitalism would vanish. Society would come to a halt. — And what about humanoid robots? I would look seriously at the possibility of merging with them so that we don't have a civil war. Realize that we're at the edge of a knife. You tilt it the wrong way and there's worlds war. You tilt it the other way and there's food and luxury for everyone. And it's up to us to decide which way the knife will go.
From the episode’s captions: roughly the first two minutes, lightly cleaned. Keep watching on YouTube →
Topics
- theory of everything
- aliens and uap
- big bang and multiverse
- black holes
- quantum computing and ai
Companies and tickers mentioned
- GOOGL
- GOOG
Watch the episode
Watch “World-Renowned Physicist: You've Been Lied To About Reality! - Michio Kaku” on YouTube
Summary, takeaways and quote selection by Octagon. Quotes are short excerpts; the full conversation is in the episode.
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