- AskScience AMA: I’m Professor Brian Hare, a pioneer of canine cognition research, here to discuss the inner workings of a dog’s brain, including how they see the world and the cognitive skills that influence your dog's personality and behavior. AMA!
- DRACO (a potential cure for most viruses) will it really work?
- Why does squinting improve my far vision?
- How much coal and ancient flora would a diamond of this size require to make? (Link inside)
- Would a world economy run by Artificial Intelligence work?
- Are there any possible roadblocks in the construction of a near-supercooling of conventional computer components?
- What exactly is a "Lagrangian" and when would I use it?
- Emission Spectrums?
- Why is an event horizon neccesary for Hawking radiation? All explanations I've read so far seem like they would work just as well for a gravitational field that's not strong enough to create an event horizon.
- What happens to the ants when a couple square miles unexpectedly floods, do they all die and new colonies slowly move in?
- Is it possible/viable to reflect sunlight onto a thermoelectric generator to produce electricity?
- Would placing a turbine at the exhaust of a rocket work?
- Will it be possible to print bacteria and viruses from 3D printers in the future?
- Is it mathematically significant for sets of consecutive numbers to add up to a prime number or does it happen often enough that nobody cares?
- Why does mountain air smell so sweet?
- Are there chemicals that get released in my brain while asleep that cause me to think more clearly in the morning?
- Why do some of us go mad/insane?
- Why do glaciers from the same ice field recede and advance at different rates?
- How does the human mind recognize faces?
- Why don't GPS satellites use a low earth orbit?
- Why is the force of kinetic friction less that the force of static friction?
- Is it possible to induce gigantism in humans or other animals by using a device to press on the pituitary gland? Are there any cases of this?
| Posted: 30 Jun 2016 04:33 AM PDT Hi Reddit! I'm Brian Hare, and I'm here to talk about canine cognition and how ordinary and extraordinary dog behaviors reveal the role of cognition in the rich mental lives of dogs. The scientific community has made huge strides in our understanding of dogs' cognitive abilities – I'm excited to share some of the latest and most fascinating – and sometimes surprising – discoveries with you. Did you know, for example, that some dogs can learn words like human infants? Or some dogs can detect cancer? What makes dogs so successful at winning our hearts? A bit more about me: I'm an associate professor at Duke University where I founded and direct the Duke Canine Cognition Center, which is the first center in the U.S. dedicated to studying how dogs think and feel. Our work is being used to improve training techniques, inform ideas about canine cognitive health and identify the best service and bomb detecting dogs. I helped reveal the love and bond mechanism between humans and dogs. Based on this research, I co-founded Dognition, an online tool featuring fun, science-based games that anyone with a dog can use to better understand how their dog thinks compared to other dogs. Let's talk about the amazing things dogs can do and why – Ask Me Anything! For background: Please learn more about me in my bio here or check me out in the new podcast series DogSmarts by Purina Pro Plan on iTunes and Google Play to learn more about dog cognition. This AMA is being facilitated as part of a partnership between Dognition and Purina Pro Plan BRIGHT MIND, a breakthrough innovation for dogs that provides brain-supporting nutrition for cognitive health. I'll be back at 1 pm EST to answer your questions, ask me anything! [link] [comments]  |
| DRACO (a potential cure for most viruses) will it really work? Posted: 29 Jun 2016 11:24 PM PDT Do yo guys have any interesting thoughts? I did my research and even read the AMA that was done 8 months ago. I understand that funding is the biggest problem but why wouldn't any multi-millionaire or billionaire try to fund him? not even one?!? [link] [comments]  |
| Why does squinting improve my far vision? Posted: 29 Jun 2016 11:54 PM PDT |
| How much coal and ancient flora would a diamond of this size require to make? (Link inside) Posted: 30 Jun 2016 05:56 AM PDT |
| Would a world economy run by Artificial Intelligence work? Posted: 30 Jun 2016 12:18 AM PDT Imagine a world in which the government was operated by "super computers" post-singularity? Could it work? This Artificial Intelligence would intimately know every human on earth (something like the internet) - it would thus be omnipresent and omnipotent, but also (ideally) ethical and humane. This government could also be a combination of human input and A.I. and could operate like a brain or symbiotic relationship. Would A.I. governments solve problems like free energy, or is it only possible once free energy is discovered? Would there even be trade (economies) with such a system in place? In a response, please explain how you think a world economy that embraces Artificial Intelligence would look/operate. [link] [comments]  |
| Posted: 30 Jun 2016 12:15 AM PDT I know, I know, conventional conductors are not superconductive, but their conductivity is still positively affected by extremely low temperatures. I was toying with the idea of somehow creating a liquid nitrogen-cooled computer, (For, you know, gaming, I guess.) the problem being with the parts. I don't know very much about cryonics, and I don't know whether the polymer used in the construction of circuit boards will somehow degrade in super-low temperatures. I would like your take on the situation, and I am alright with hearing that this idea is completely impossible. EDIT: Sorry, it's 2am here. Let me try again at that title. "Are there any possible roadblocks in the construction of a cryonic computer using conventional computer components?" [link] [comments]  |
| What exactly is a "Lagrangian" and when would I use it? Posted: 29 Jun 2016 07:56 PM PDT From reading a little, it seems to be a more convenient reformulation of Newton's laws, but I'm having trouble understanding exactly how, and why it is more convenient. [link] [comments]  |
| Posted: 30 Jun 2016 01:03 AM PDT |
| Posted: 30 Jun 2016 07:06 AM PDT |
| Posted: 29 Jun 2016 03:26 PM PDT |
| Is it possible/viable to reflect sunlight onto a thermoelectric generator to produce electricity? Posted: 30 Jun 2016 12:38 AM PDT I stumbled upon this video and I wondered if it would be possible to use the heat generated to power a thermoelectric generator? Are there some phenomena or practical limitations that prevent us from doing this? If possible, how does the kwH generation of it compare to that of a solar panel? [link] [comments]  |
| Would placing a turbine at the exhaust of a rocket work? Posted: 29 Jun 2016 11:33 PM PDT were you to place a turbine just before the shock waves in a rocket nozzle could you convert the direct thrust of the rocket into mechanical force with any amount of efficiency or am i missing something? [link] [comments]  |
| Will it be possible to print bacteria and viruses from 3D printers in the future? Posted: 29 Jun 2016 06:23 PM PDT |
| Posted: 29 Jun 2016 06:28 PM PDT |
| Why does mountain air smell so sweet? Posted: 29 Jun 2016 06:17 PM PDT |
| Posted: 29 Jun 2016 06:54 PM PDT I've noticed that right after I wake up, especially if its from the middle of a dream, my mind seems like it has that "'moment of clarity" effect...my thinking seems clearer and more rational, as well as more creative and active in ways. Is there a word for this phenomena? Are there chemicals that get released in my brain while asleep that would cause this effect? [link] [comments]  |
| Why do some of us go mad/insane? Posted: 29 Jun 2016 06:47 PM PDT |
| Why do glaciers from the same ice field recede and advance at different rates? Posted: 29 Jun 2016 10:24 PM PDT I work in Alaska as a captain on tour boats in glacial fjords. One glacier in particular (South Sawyer Glacier in Tracy Arm) has receded almost a mile since last fall. North Sawyer Glacier in Tracy Arm has remained almost stationary in the same timeframe. What causes one to behave so differently from the other? [link] [comments]  |
| How does the human mind recognize faces? Posted: 29 Jun 2016 11:26 PM PDT In addition, how long does it take before a human can memorize a face? Like, why can't humans typically recognize random faces that they saw at a store on a given day? It seems to me that it takes more than just 30 seconds to memorize a face, but why? [link] [comments]  |
| Why don't GPS satellites use a low earth orbit? Posted: 29 Jun 2016 05:58 PM PDT GPS, Glonass and Galileo all use a medium earth orbit of around 20,000 km. What factors prevented them choosing a low earth orbit of say 400 km? You'd think launching them would be cheaper and simpler, and communication with them would be easier, albeit requiring adjustments to the mathematics used. [link] [comments]  |
| Why is the force of kinetic friction less that the force of static friction? Posted: 29 Jun 2016 10:52 PM PDT We all know that once youve started moving something, it is easier to keep pushing than it was to initially move it. This is due to the co efficient of static friction being greater than the coefficient for kinetic friction right? But why is that? [link] [comments]  |
| Posted: 29 Jun 2016 11:13 AM PDT |
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