Ages 1 to 4 are very important for brain development but yet most people can't recall anything from that time period. Why don't we remember our earliest memories? |
- Ages 1 to 4 are very important for brain development but yet most people can't recall anything from that time period. Why don't we remember our earliest memories?
- How do gas mask filters for radioactive particles work? Why do they expire if not used?
- How many bytes of information can a single neuron store?
- Why is poo almost always brown, regardless of what we eat?
- If you're lost, is it better to look for your search party or wait?
- What is the difference between electricity and magnetism?
- How does temperature-dependent sex determination work?
- Can a child be born with cancer?
- How does the suns gravitational pull affect earths moon? Wouldn't the sun just give the moon its own rotation?
- If the speed of light is the fastest possible speed something can move, and heat is just the speed at which particles are moving, does that mean there's a maximum temperature that nothing can exceed?
- Why all rays of light haven't a velocity of c?
- When talking about the electromagnetic field and the different frequencies, what exactly is the medium that is vibrating?
- Why do the stomata of a plant open when there are too many mineral ions?
- What is a Spin?
- What is baking soda? What is baking powder? What is the difference between the two.
- What makes the dye in a dye pack unremovable from skin?
- What happens to the crystalline structure of radioactive elements when an atom decays?
- How do reflective surfaces (like a mirror) differ physically from non-reflective surfaces? What makes them reflect light?
- If magnetic domains attract each other, then why do unmagnetized metals become demagnetized when removed from the presence of a magnet?
- If lobsters have no age limit, how do they control population numbers?
- How do scientists find the melting point of some solids without melting their equipment?
- Can a quantum transformation change a quantum state completely?
| Posted: 14 Jan 2018 03:53 AM PST I know the brain is rewiring a lot of neurological pathways to determine the most effective route, but what stops us from remembering our early years? [link] [comments]  |
| How do gas mask filters for radioactive particles work? Why do they expire if not used? Posted: 14 Jan 2018 04:03 AM PST |
| How many bytes of information can a single neuron store? Posted: 13 Jan 2018 09:32 AM PST |
| Why is poo almost always brown, regardless of what we eat? Posted: 13 Jan 2018 07:54 AM PST Edit: judging by the notifications I'm getting to my phone, the moderators are doing a hell of a job keeping this thread clean. You have my appreciation, mods! [link] [comments]  |
| If you're lost, is it better to look for your search party or wait? Posted: 13 Jan 2018 08:37 AM PST Assuming neither of you know the other's starting location or plan, what is the best strategy to be found as quickly as possible? Ignoring environmental conditions and survival necessities, speaking strictly mathematically, how can you maximize your chances of two points on a plan meeting? Do their relative speeds make a difference? [link] [comments]  |
| What is the difference between electricity and magnetism? Posted: 14 Jan 2018 05:05 AM PST |
| How does temperature-dependent sex determination work? Posted: 13 Jan 2018 09:43 PM PST I was reading this thread on r/science when I learned that the sex of many sea turtles/crocodiles/alligators is determined by the incubation temperature of its egg. How does this work, and how is (was) it a beneficial trait? [link] [comments]  |
| Can a child be born with cancer? Posted: 14 Jan 2018 03:55 AM PST Is there anything stopping a baby getting cancer in the womb? [link] [comments]  |
| Posted: 13 Jan 2018 09:22 PM PST |
| Posted: 13 Jan 2018 07:41 PM PST |
| Why all rays of light haven't a velocity of c? Posted: 14 Jan 2018 07:02 AM PST Here is a picture of Lorentz transformations : https://upload.wikimedia.org/wikipedia/commons/8/8d/Time-dilation-002-mod.svg.png If we admit the frame on the left is R' and the frame on the right is R: The blue ray in R has a velocity of c. The path of the blue ray is smaller in R' than in R. It is why we add time dilation and length contractions. So, Lorentz find that the blue ray in R' has a velocity of c also. If we add a red ray in R' with a velocity of c. Why the red ray in R has a velocity smaller than c ? [link] [comments]  |
| Posted: 13 Jan 2018 03:14 PM PST As I understand it, the different in visible light and radio waves is the difference in frequencies or vibrational speeds. What is vibrating? Since these things can travel through a vacuum, I assume that it isn't matter, right? [link] [comments]  |
| Why do the stomata of a plant open when there are too many mineral ions? Posted: 14 Jan 2018 03:19 AM PST |
| Posted: 13 Jan 2018 07:36 PM PST I've been watching phsyics related stuff for a while now since I wanna go into that field and I hear it all the time in Quatum Mechanics, yet the closest thing I've gotten to a definition may have been something like polarity almost like how a magnet works ? Could be I interpreted it wrong. The fact they say spin does and doesn't exists confuses me too! [link] [comments]  |
| What is baking soda? What is baking powder? What is the difference between the two. Posted: 14 Jan 2018 02:59 AM PST I would like to know more about baking soda and powder. What are they made of and how do they work? [link] [comments]  |
| What makes the dye in a dye pack unremovable from skin? Posted: 13 Jan 2018 08:40 PM PST |
| What happens to the crystalline structure of radioactive elements when an atom decays? Posted: 13 Jan 2018 11:53 AM PST For instance uranium, how does the surrounding atoms adapt to the changes in volume and electronic overlap when a particular atom disintegrates to another element? Does a slab of uranium become brittle over time because of it? [link] [comments]  |
| Posted: 13 Jan 2018 05:39 PM PST |
| Posted: 13 Jan 2018 09:54 AM PST If you had 100 magnets all stuck together in the form of a cube, to visualize magnetic domains, the theoretical point of lowest energy would be one entire row facing south, one row facing north and so on. That way each magnet will feel nothing but attraction. In this state the 'magnet' would be considered demagnetized because of the alternating rows. To magnetize it, each row would have to face the same way. This is not the overall lowest position of energy for each domain, but each domain is attracted top and bottom as well as repelled by each other side to side. And since each domain must flip individually (an entire row can't flip on its axis) there seems to be no reason for it to become demagnetized once magnetized. The attraction acting on each domain would, at least, cancel out the repulsive force working to flip them. So why do magnetic domains flip at all? [link] [comments]  |
| If lobsters have no age limit, how do they control population numbers? Posted: 14 Jan 2018 03:37 AM PST I've been informed that lobsters are one of few species on the planet that do not age. If that is true, how are lobster population numbers regulated in the wild? I imagine it is a mixture of predators, disease, and possibly selective breeding windows, but I thought I'd ask the question here to see if there is someone more informed who could tell me more about it. Thanks! [link] [comments]  |
| How do scientists find the melting point of some solids without melting their equipment? Posted: 13 Jan 2018 10:58 AM PST |
| Can a quantum transformation change a quantum state completely? Posted: 13 Jan 2018 03:37 PM PST I'll explain on example of photon passing through the polarization filters. The photon that passes through diagonal and vertical polarization will be filtered out, however if you introduce a 45 degree polarization, some will pass through. If you think about it, it means that after first one, all photons a diagonally polarized, but after next two they are horizontally polarized. Ok, no let's consider a series of filters which are slightly turn in relation to each other, effectively they shouldn't filter much, while they should change diagonal polarization to horizontal. My question is can you create a transformation of a quantum state, that from state |1>+|0> creates a state |0>+|1>. Add entanglement here, meaning from state |01>+|10> produces a state |11>+|00>? To visualize it, can you transform a state of two entangled particles two completely different ones? I.e. from polarized vertically to polarized diagonally, even if you never measure them in between? Of course there is a follow up question if it happens so, what happens if you measure one entangled particle at random time, can you still apply such a transformation on a random time on a second particle? [link] [comments]  |
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