What potential use cases can you imagine for Meta AI's Llama 3 open source model? Answer by Håkon Hapnes Strand: 'Llama 3 is great for fast inference in applications that require low latency, such as in conversational AI. It's also great for fine-tuning.'

Is there a kind of stroke that would happen to a person that's quite horrible? Answer by Marc Boutet, Canadian Paramedic: 'The 'locked in' stroke.'

What is Alan Kay's advice for smart people who don't yet know what they're interested in working on? How deep should people explore topics like maths before deciding it isn't for them? Answer by Alan Kay: 'Learn the rules like a pro so you can break them like an artist.'

Why don’t baseball players bunt anymore? Answer by Aaron Brown, Columnist at Wilmott Magazine: 'Whether you're asking about the decline since 1945, or the faster decline since 2010, we can rule out many common explanations.'

In economics, would increasing the minimum wage increase prices? Answer by Valerie Rhea, PhD Economist: '...what it really does is guarantee that any low-skilled worker not capable of producing at a level implied by the minimum wage will tend to remain unemployed.'

In old episodes of Gunsmoke, Miss Kitty frequently offers Marshal Dillon a cold beer at the Longbranch Saloon. In the days before electricity, how could the beer have been chilled? Answer by Erik Painter that shows pre-electric, how the ice industry chilled beer and food.

Can the role of a stand-up comedian be similar to the job of a philosopher, where one seeks truth for truth's sake, and the other seeks truth to laugh at? Answer by Frederick M. Dolan, Professor, UC Berkeley: 'Humor can involve perceiving a situation in a new, truthful frame of reference.'

Why can't we transplant other animals’ eyes into humans and gain the benefits of their eyes? Answer by Ken Saladin, former professor of histology: 'We can't even transplant a human eye into another person and restore vision.'

Once I read a description to a numerical methods course and it says 'often in math, it is possible to prove the existence of a solution to a problem but it isn't possible to 'find it'. What does that mean? Answer by Senia Sheydvasser qr.ae/psHGic with a game example.

A modern CPU with billions of transistors, when running a normal program, how many of those transistors are actually used? Answer by Joe Zbiciak: 'Chips and software both have bugs, and chips have manufacturing defects.'

Why can't a physicist make quantum physics understandable to most people? Answer by Mark John Fernee, 20+ years as a physicist: ''Quantum objects are neither particles nor waves. They have behaviors that can be consistent with either.'

Was Einstein too old to work at Los Alamos during the Manhattan Project even if he had security clearance? Answer by Viktor T. Toth: 'E = mc² entered the public imagination as though it was this equation that unlocked the secret of nuclear physics. It was not.'

What happened to satellite pictures, why aren't they used to solve some of the worst crimes? I thought they can read a license plate from space. Answer by Dr. Balaji Viswanathan: 'A high resolution spy satellite doesn’t usually cover more than a couple of square kilometers...'

What does Alan Kay think about programming and teaching programming with copilots and LLMs of today? Answer by Alan Kay: 'A simple principle is that for most things that are automated and scaled, the *trust requirements* have to be vastly expanded and made vastly more strict.'

Do antidepressants just cover up the underlying problems? Answer by Jack J. Wu, M.D.: 'In my psychiatry residency training back in 2004–2008, even in the psychiatrist/psychiatry realm we thought that antidepressants, ... were just covering up the underlying problems...'

From an engineering standpoint, is there a theoretical limit to the maximum height of a skyscraper? Answer by Doug Graham: 'Yes, but we’re a long way from reaching it.'

What is understanding of the mysterious dimensionless fine structure constant of circa 137? Answer by Michael Peskin, Professor at Stanford University's SLAC National Accelerator Center: '... the same way that the fact that the Moon and Sun have the same angular size...'

What is the estimated fuel consumption of a starship trip from NRHO to Mars? Answer by Frank Norris, Author of 'Colonizing Mars': 'As far as the trip to Mars that is not too much of a challenge. Starship can manage about 64 tons of payload to Mars orbit and back to Earth...'

If a defibrillator is not present, could you use a 110 outlet restart a stopped heart? Answer by Marc Boutet, Paramedic who helps out with Research on Cardiac Arrest:

'An electrical shock from a defibrillator does not restart a stopped heart.

It actually stops the heart.'

Why is it when I see a propeller on a single engine plane looks it's bending outward away from the plane? Answer by Scott Hanson, Former Electronic Warfare Technician at United States Navy: 'What you are referring to is called the rolling shutter effect! ...'