We Need an Einstein for the 21st Century
We do at this point in time need a new Einstein. The one thing that Einstein did, which is so powerful and important in the history of physics is with special relativity he found a way to unify Newton’s laws of motion and Maxwell’s equations of electromagnetism. And then he found a way to unify that special relativity with our understanding of gravity, which is what produces general relativity.
We do, in fact, stand in a similar position now. We have two great theories of physics relativity, particularly general relativity and quantum mechanics, and they seem to paint completely different views of the world. Quantum mechanics operates at the subatomic level. General relativity tells us about the cosmological level. When you put these theories together they work in their own domains, but the pictures of the reality they paint are so fundamentally different. This is a huge problem. We live in one world. It’s called a universe. We do actually need one theory that as it were combines everything.
So we do in fact need a new synthesizer just as Einstein was able to find a very creative way to unify Newton’s laws of motion and Maxwell’s laws of electromagnetism. So we do need someone to come along and unify relativity and quantum mechanics. That’s what string theory is trying to do. Myself, I don’t believe that string theory is really, as it were, going to be proven to be the ultimate theory and there are other approaches like loop quantum gravity, which is being pioneered by the great physicist Lee Smolin. I think we do need some synthesizer and where that person will come from, I don’t know. I mean, one thing I'm certain is he’s going to come from someone who is trained seriously in physics. I don’t think it’s going to come from someone outside the mainstream, but this person will probably appear very abhorrent when they first do it.
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Can sensitive coral reefs survive another human generation?
- Coral reefs may not be able to survive another human decade because of the environmental stress we have placed on them, says author David Wallace-Wells. He posits that without meaningful changes to policies, the trend of them dying out, even in light of recent advances, will continue.
- The World Wildlife Fund says that 60 percent of all vertebrate mammals have died since just 1970. On top of this, recent studies suggest that insect populations may have fallen by as much as 75 percent over the last few decades.
- If it were not for our oceans, the planet would probably be already several degrees warmer than it is today due to the emissions we've expelled into the atmosphere.
Research has shown that men today have less testosterone than they used to. What's happening?
- Several studies have confirmed that testosterone counts in men are lower than what they used to be just a few decades ago.
- While most men still have perfectly healthy testosterone levels, its reduction puts men at risk for many negative health outcomes.
- The cause of this drop in testosterone isn't entirely clear, but evidence suggests that it is a multifaceted result of modern, industrialized life.
Michael Dowling, Northwell Health's CEO, believes we're entering the age of smart medicine.
- The United States health care system has much room for improvement, and big tech may be laying the foundation for those improvements.
- Technological progress in medicine is coming from two fronts: medical technology and information technology.
- As information technology develops, patients will become active participants in their health care, and value-based care may become a reality.
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