What does quantum field theory tell us that quantum mechanics doesn’t? |
- What does quantum field theory tell us that quantum mechanics doesn’t?
- Are galaxies more likely to spiral a certain direction?
- How do planes detect heat seeking / guided missiles?
- Does the humany body crave food that contains specific nutrients it is running low on or are cravings pouring based on pleasure?
- What happened to the hypothesized Ninth Planet that everyone was talking about years ago?
- How does Anti-Gravity fountain lamp works?
- What causes a “brain freeze” when eating ice cream or drinking something cold fast?
- Do humans instantly die when the heart stops?
- can any solids melt in a vacuum?
- When birds take off as a group (i.e to migrate) who initiates the take off? Is there a bird 'leader' who everyone follows? Or do they just have the same sense as to when to take off
- Does the Earth ever gain or lose water?
- Why do some diabetics lose their legs and how is it related to diabetes?
- What do the other 3% of peer reviewed studies on Climate change say?
- Would moving through space quickly enough at sublight speeds eventually cause the cosmic microwave background to blue-shift to the point of being hazardous, such as X-Rays and Gamma?
- How do we know what kind of atoms make up a particular molecule?
- Does the Pineal Gland release DMT? Is DMT released in a large quantity upon death?
- Are there any animals that require (to survive) an uncommon element such as lead or uranium?
- Is there a way to identify the Rate Determining Step in a mechanism?
- How does Platelet-Rich Fibrin cause increased healing if its just our own blood?
- How does leukemia spread around the bone marrow?
| What does quantum field theory tell us that quantum mechanics doesn’t? Posted: 18 May 2019 03:38 AM PDT |
| Are galaxies more likely to spiral a certain direction? Posted: 17 May 2019 05:01 PM PDT Are galaxies more likely to spiral clockwise or anticlockwise, or is it more just a mix of both? [link] [comments]  |
| How do planes detect heat seeking / guided missiles? Posted: 18 May 2019 07:03 AM PDT |
| Posted: 17 May 2019 08:06 AM PDT |
| What happened to the hypothesized Ninth Planet that everyone was talking about years ago? Posted: 17 May 2019 03:07 PM PDT A couple of years ago scientists hypothesized there was a ninth planet, but lately I haven't heard anything about it. [link] [comments]  |
| How does Anti-Gravity fountain lamp works? Posted: 18 May 2019 05:04 AM PDT |
| What causes a “brain freeze” when eating ice cream or drinking something cold fast? Posted: 17 May 2019 06:41 PM PDT |
| Do humans instantly die when the heart stops? Posted: 17 May 2019 02:37 PM PDT As someone who is not expert in biology but has a know-how in mechanics (totally unrelated, I know) I find it strange that in movies, when someone's heart stops they instantly collapse like a ragdoll. Why? Only the "fuel" line got severed, not the nerves. The muscles have internal oxygen reserves as well. They say that if you can restart a heart within 5 minutes, the brain does not suffer damage. So why can't we move for 5 minutes after the heart stops? [link] [comments]  |
| can any solids melt in a vacuum? Posted: 17 May 2019 03:36 PM PDT (Specifically an ultra hard vacuum like in interstellar space.) I've seen answers to the related question, "Can any liquids *exist* in a vacuum?", to which the answer seems to be "From a practical standpoint, yes, from a technical standpoint no." All liquids have some finite vapor pressure, so in a perfect vacuum they won't technically be stable and will continue evaporating, but if their vapor pressure is low enough then this will happen very slowly, and they can remain liquid for timescales of years or more. Apparently some 'ionic liquids' are quite good for this, with vapor pressures so small they often can't be measured. My question, however, is about the phase change itself. Could you start with a frozen solid sample of a low vapor pressure liquid, and then heat it up in a vacuum until it melts into a liquid? Or in that case would it go directly from solid to liquid? [link] [comments]  |
| Posted: 17 May 2019 08:04 AM PDT |
| Does the Earth ever gain or lose water? Posted: 17 May 2019 02:41 PM PDT We learn in elementary school that water evaporates, makes clouds and falls back to the Earth in a constant cycle. On a global scale does the earth ever really gain or lose water in any measurable way? If so, how? [link] [comments]  |
| Why do some diabetics lose their legs and how is it related to diabetes? Posted: 17 May 2019 08:38 AM PDT |
| What do the other 3% of peer reviewed studies on Climate change say? Posted: 17 May 2019 07:37 AM PDT I'm familiar with the stat that 97% of peer reviewed studies say humans contribute to climate change. What do the other 3% say? Is there anything to them? Always thought it would be valuable to read the other side, but I honestly can't track down the studies [link] [comments]  |
| Posted: 17 May 2019 02:32 PM PDT |
| How do we know what kind of atoms make up a particular molecule? Posted: 17 May 2019 09:33 AM PDT For example, how do scientists know that glucose is 6 carbon atoms, 12 hydrogen atoms, and 6 oxygen atoms? What methods are used and how do they go about analyzing the structure of a molecule? [link] [comments]  |
| Does the Pineal Gland release DMT? Is DMT released in a large quantity upon death? Posted: 17 May 2019 06:46 AM PDT |
| Are there any animals that require (to survive) an uncommon element such as lead or uranium? Posted: 17 May 2019 07:17 AM PDT |
| Is there a way to identify the Rate Determining Step in a mechanism? Posted: 17 May 2019 04:51 PM PDT Can one pinpoint which step is rate determining without any specific information besides the steps themselves? If so, how is this done? [link] [comments]  |
| How does Platelet-Rich Fibrin cause increased healing if its just our own blood? Posted: 17 May 2019 07:56 AM PDT |
| How does leukemia spread around the bone marrow? Posted: 17 May 2019 10:23 AM PDT Let's take acute myeloid leukemia as an example. After certain mutations AML might develop in the bone marrow. For diagnosis, a sample from the bone marrow is obtained by aspiration and getting a biopsy. If Im not wrong, the usual site for puntcure is the iliac crest. Now for my question: If the AML can develop anywhere in the bone marrow, why are always the same sites being used for extraction? Is it possible to miss the cancer, if it didn't develop at the puncture site? If no, how do the immature cells spread around the rest of the marrow? Thanks in advance [link] [comments]  |
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