What is actually happening when an image is out of focus and how do lenses focus them? |
- What is actually happening when an image is out of focus and how do lenses focus them?
- Do we burn more calories when we work our brain harder?
- Can cravings for specific food be a symptom of deficiency?
- What is a Turing machine and what is the difference between a deterministic and non-deterministic one?
- What sets the operating temperature limit for CPUs and GPUs, and could we increase it?
- Is there a mutation that adds new genetic information?
- How exactly are things cooled?
- Do horse flocks, wolf packs, and other social animals have gender roles like bees and ants?
- Except for lack of hunting ability/instinct, is there anything preventing herbivorous animals from eating meat?
- If we launched something straight into space what would be the chance that we hit something?
- Can the partition coefficient of a solute also be calculated as the ratio of it's mass dissolved in one substance to mass dissolved another substance?
- Is there a visible difference in sun angle or distance to the sun on March 1st of a leap year?
- If we had telescopes capable of seeing billions of light years away and we looked at an area of space 15 billion light years away, would we see what the universe was like before the big bang? If not then what would we see
- What race are the people of North Sentinel Island?
| What is actually happening when an image is out of focus and how do lenses focus them? Posted: 07 Feb 2020 01:48 AM PST I have a strip of film which I was trying to project onto a wall using a torch. I noticed the image was out of focus, but I don't understand why. [link] [comments]  |
| Do we burn more calories when we work our brain harder? Posted: 06 Feb 2020 08:42 PM PST |
| Can cravings for specific food be a symptom of deficiency? Posted: 07 Feb 2020 04:29 AM PST Is there any evidence that cravings for a specific food can be a symptom of deficiency of some nutrients, that can be replenished through eating that food? People often make that claim, I'm wondering if that's backed by science. [link] [comments]  |
| Posted: 07 Feb 2020 02:53 AM PST |
| What sets the operating temperature limit for CPUs and GPUs, and could we increase it? Posted: 07 Feb 2020 07:05 AM PST CPUs and GPUs vary in their max recommended operating temperature, but usually it's around 80ish (Celsius) for CPUs and 90ish for GPUs. This of course is not a hard cut off, but just a best practice for keeping everything in good condition longer. What sets these upper recommended limits and how difficult would it be to extend them a few degrees? If we could safely operate at, say 105 degrees, it might open the door for useful phase change cooling with water. [link] [comments]  |
| Is there a mutation that adds new genetic information? Posted: 06 Feb 2020 08:34 PM PST |
| How exactly are things cooled? Posted: 07 Feb 2020 03:55 AM PST So, I just wanted to know how exactly we make something colder, like when you think about it the only way we cool something down is either by leaving it or putting it next to something i.e. an ice cube. A perfect example would be 0 kelvin, how do you achieve that when everything around it is transferring energy to it? [link] [comments]  |
| Do horse flocks, wolf packs, and other social animals have gender roles like bees and ants? Posted: 07 Feb 2020 06:06 AM PST I ask this because I look up a lot of bee and ant colonies, and what so many of them have in common is that they have gender roles, with females making up the queens and workers, and the males making up the drones and possibly soldiers. And I thought that horses, wolves, and other social animals would have had gender roles similar to bees and ants. So are there gender roles in other social animals outside of just bees and ants? [link] [comments]  |
| Posted: 07 Feb 2020 01:54 AM PST I know you need specialized organs to digest grass/leaves. Is the same true for meat? Similarly, are carnivores able to consume fruits? Those seem less hard to digest than grass. At first glance you would think being an omnivore is evolutionary speaking the best strategy. [link] [comments]  |
| If we launched something straight into space what would be the chance that we hit something? Posted: 07 Feb 2020 07:27 AM PST If we choose a random point on the planet and just launched something in a straight direction off the surface, how likely is it that would it eventually hit something or is space empty enough that it would go on forever without hitting anything? [link] [comments]  |
| Posted: 07 Feb 2020 06:42 AM PST This is assuming the volumes of both the liquids are equal(50ml), for example. [link] [comments]  |
| Is there a visible difference in sun angle or distance to the sun on March 1st of a leap year? Posted: 07 Feb 2020 04:29 AM PST Does March 1st 2020 at noon look different than March 1st 2017? Even by a minuscule amount. Would the distance to the sun be different? Thanks for the help! [link] [comments]  |
| Posted: 06 Feb 2020 04:09 PM PST |
| What race are the people of North Sentinel Island? Posted: 06 Feb 2020 06:27 PM PST |
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