My phone has a barometer which can tell me the pressure of the surrounding air. What can I infer from this information? Can it give me some information I can use in day to day life? |
- My phone has a barometer which can tell me the pressure of the surrounding air. What can I infer from this information? Can it give me some information I can use in day to day life?
- Why does the weak force have a cutoff range?
- What causes the blood vessels to constrict or tighten which leads to high blood pressure?
- Are aquatic mammals the only sealife to communicate with noise underwater?
- Is there an instance in recorded history of an infection going from first outbreak to an endemic disease?
- Can any arbitrary increasing succession of natural numbers can be explained by a function y=f(x) where x is the position in the succession? How to find it?
- Do we know anything about the distribution of dark matter?
- Why do BoTox injections not kill you?
- After receiving a vaccine, how long does it take to become fully effective?
- Why are we seeing so many more live giant squid in the last decade or so, when the first live one was only photographed in 2005?
- How do new viruses get named?
- Is the change in entropy of a cyclic process always zero since entropy is a state function?
- Dumb question - has anyone made a bucket of neutrons?
- Lets say theres an air tight chamber with a pressure of 10 atmospheres and at the very top theres a 100 ton weight, if the weight drops, will it fully go down, or just float?
- Have climate records changed ?
- There are over 11.800 different species of ants. But what makes a group of ants be a different specie than the other groups? How do you define species?
- Why are the viruses not considered living beings?
| Posted: 01 Mar 2020 09:53 PM PST So I just got a phone and it happens to have a barometer in it. My current app shows my surrounding air pressure as 1014 hPa, what does this mean to me? Can I use this information in my day to day life? I tried googling but it wasn't very helpful. Can you explain what this means for me?
So you guys know of any other fun stuff I can do with sensors on my phone. Here's a list of the sensors, tell me if any fun is possible and I will definitely try it. Gravity Sensor Ambient Light Sensor Proximity Sensor Gyroscope Compass In-Screen Fingerprint Sensor Hall sensor laser sensor Barometer Infrared sensor colour temperature sensor
I wanted to reply to specific comments but for some reason I am not able to see them. I see your notifications but when I go to answer them, it shows empty. Probably a weird reddit glitch or something but it's pretty annoying as I don't get to read all of your comments. [link] [comments]  |
| Why does the weak force have a cutoff range? Posted: 02 Mar 2020 04:55 AM PST Gravity affects things infinitely far away as far as I know, but I was looking on this website and it seems to state that the weak force has a range of about 10-18 m. Why is this the case? Doesn't the weak force have the same sort of distance-squared relationship that gravity has? Any other clarifying information is much appreciated. [link] [comments]  |
| What causes the blood vessels to constrict or tighten which leads to high blood pressure? Posted: 02 Mar 2020 07:34 AM PST Additionally, is that the only reason our blood pressure rises? I'm trying to understand the underlying mechanisms that cause blood pressure to rise and fall. [link] [comments]  |
| Are aquatic mammals the only sealife to communicate with noise underwater? Posted: 01 Mar 2020 07:00 PM PST Whalesong and dolphinspeak I guess are an adaptation from land based ancestors, but do squids, fish, and crustations not have any communication other than visual? [link] [comments]  |
| Posted: 01 Mar 2020 04:19 PM PST If so, when did people decide to just give up on containing it? [link] [comments]  |
| Posted: 02 Mar 2020 07:39 AM PST Suppose that you have an arbitrary increasing succession y (for example, 1,5,10,37,99,19993...). I would like to know if there exists a function f(x), where x is the position of the number in the succession, that can generate y. Also, how can I find such function? My intuition tells me that the answer is true. There is an infinite amount of functions in R2, therefore, there must be at least one function that "connects" the points of any arbitrary succession of integers. However, I am not sure how to prove this. Additionally, how can I find such function? Empirically, I am thinking that a procedure like neural networks with enough neurons should be able to achieve this and generate a very complex function f. It should be able to drive the training error to zero. However, is there an analytic, perhaps more elegant or methodical, approach to do this? [link] [comments]  |
| Do we know anything about the distribution of dark matter? Posted: 01 Mar 2020 05:05 PM PST Do we know how dark matter is distributed in space; like does it cluster around certain astronomical bodies or is it more loosely distributed? [link] [comments]  |
| Why do BoTox injections not kill you? Posted: 01 Mar 2020 08:06 PM PST Isn't Botulinum toxin supposed to be the deadliest poison in the world? If so, why does it not kill you when injected for cosmetics. Shouldn't the deadly dose be around 0.00000001 grams? [link] [comments]  |
| After receiving a vaccine, how long does it take to become fully effective? Posted: 01 Mar 2020 05:46 PM PST I know there are a lot of variables - oral, shot, age, sex, dosage - but is there a general rule of thumb? [link] [comments]  |
| Posted: 01 Mar 2020 08:25 AM PST |
| Posted: 01 Mar 2020 06:22 PM PST |
| Is the change in entropy of a cyclic process always zero since entropy is a state function? Posted: 01 Mar 2020 02:20 PM PST One of my professors said during lecture that the "changes in entropy in a cyclic process must be zero since the entropy is a state function." It makes sense conceptually since there are the same beginning and end points. However, this statement confuses me because we also discussed Clausius' inequality for cyclic processes. I do not understand why using an inequality with a cyclic integral is necessary if the answer is always zero. After looking into it several places online, I've found that the cyclic integral is equal to zero in reversible processes but not irreversible processes. Is this true for the system and surroundings or just the surroundings? In what cases is the entropy change not equal to zero? [link] [comments]  |
| Dumb question - has anyone made a bucket of neutrons? Posted: 01 Mar 2020 11:45 AM PST If you have a bucket of protons - you have hydrogen. Has anyone ever made a bucket of neutrons? Is it possible? [link] [comments]  |
| Posted: 01 Mar 2020 12:08 PM PST Assuming the chamber is 1km deep and 1m wide and never breaks. Think of it like a syringe, the pully thingy is tge weight and air doesnt go past it [link] [comments]  |
| Have climate records changed ? Posted: 01 Mar 2020 07:57 PM PST Have climate records changed ? Relating to temperatures I have heard that records have been changed/adjusted going back I believe 100 years. Is this true? If not where does it come from? If it is why are they changed? I know this is a politically charged question but asking for genuine answers. [link] [comments]  |
| Posted: 01 Mar 2020 10:55 AM PST |
| Why are the viruses not considered living beings? Posted: 01 Mar 2020 06:41 AM PST Based on my very rudementry understanding what I know is that viruses only behave like living beings after they enter a body so why can't their stay outside the body be defined as an extreme state of Hibernation? [link] [comments]  |
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