When a woman is pregnant does the baby follow the same sleeping patterns as the mother? Or can they have 2 separate sleeping patterns? |
- When a woman is pregnant does the baby follow the same sleeping patterns as the mother? Or can they have 2 separate sleeping patterns?
- Why don't all cuts form scar tissue?
- Why don't operating systems need to restart when installing a new program anymore?
- Archaeology in space: does a star, alter the space it moves through in a way we can detect afterwards when the object is no longer occupying this space ?
- When did the last common ancestor of the genera Capiscum (chilli pepper) and Piper (peppercorn) live? And is possible to estimate the probable geographical location of this ancestor?
- What would the time difference between your watch and a clock on Earth if you were to be stationary relative to the center of the Milky Way?
- When I place out the household recycling, what actually happens to the various plastic products? What process do they go through at the recycling plant and what is the final product they emerge as?
- What are sterile neutrinos?
- How did it come to be that so many breeds of dogs now exist in the world?
- Anyone able to answer questions about mass spectrometer?
- Why is palladium a paramagnetic substance when its electron configuration is [Kr] d10 and it has no unpaired electrons in its valence shell?
- Do humans produce electricity?
- how can scientists keep the temperatures inside of fusion generators under control?
- What is the physiology behind sitcom's "get hit in the head, laugh standing upright, and then fall down?"
- How, if at all, does barometric pressure affect local tides?
- How to photons get turned into electrons inside Night Vision Devices?
| Posted: 05 Dec 2019 05:11 PM PST |
| Why don't all cuts form scar tissue? Posted: 05 Dec 2019 06:33 PM PST |
| Why don't operating systems need to restart when installing a new program anymore? Posted: 05 Dec 2019 11:37 PM PST |
| Posted: 05 Dec 2019 01:00 PM PST If we were able to locate somehow a position in space that once was occupied by a star for a certain amount of time, will we be able to detect some long-lasting alternation caused by this star to this specific area in the universe ? In other words: will future space archaeologists find some residu of an object long after it has disappeared ? Could we ever find the point of origing of supernova ? What kind of technology would we need to develop to find out ? [link] [comments]  |
| Posted: 05 Dec 2019 04:43 PM PST |
| Posted: 05 Dec 2019 08:03 PM PST |
| Posted: 05 Dec 2019 11:40 AM PST |
| Posted: 05 Dec 2019 12:07 PM PST |
| How did it come to be that so many breeds of dogs now exist in the world? Posted: 05 Dec 2019 01:02 PM PST I'm curious about the history of dog breeds, especially what special traits smaller breeds have that allowed them to survive since their inception (i.e. was there once an entire island dominated by Chihuahuas, and if so, what strategic properties do they have that allowed them to survive in a world of much larger animals for so long?). We often think of human and canine geneology going back to the stone age, but I can't imagine a cave man hunting with a poodle. [link] [comments]  |
| Anyone able to answer questions about mass spectrometer? Posted: 05 Dec 2019 09:58 PM PST A diagram I have seen for a mass spectrometer shows the vacuum hole right on the side. My questions are 1.) Can ions get sucked into the mass spectrometer vacuum hole at all? And 2.) how long does it take to fully create the vacuum as I would imagine getting the last few particles of air out takes some time? [link] [comments]  |
| Posted: 05 Dec 2019 05:50 AM PST |
| Do humans produce electricity? Posted: 05 Dec 2019 05:58 AM PST Do humans produce electricity? If we do how much? Is it enough to power anything like a lightbulb? I've seen answers from 200millivolts to 200volts [link] [comments]  |
| how can scientists keep the temperatures inside of fusion generators under control? Posted: 05 Dec 2019 11:52 AM PST how do scientists keep temperatures hotter than the core of stars under control? wouldn't the heat radiating off the plasma destroy the metal and everything around it? i understand they use magnets to keep it in a tight beam but how dose that stop the heat from radiating out from the plasma and destroying everything? i thought even heating a tip of a pencil to the temperature of the core of the sun would destroy everything in a 10 mile radius. [link] [comments]  |
| Posted: 05 Dec 2019 10:33 AM PST I was hit on the temporal side of my head by a soccer ball one time. I remained standing upright and laughed with my friends, but a second later, i felt the weight of my head shift to the left, which caused me to fall down. I did not pass out. I have seen this on various sitcoms. A person gets hit in the head with an object, they laugh for a second (standing upright), and then they promptly pass out. I want to know how this delay in physiological response relates to our sense of balance, i.e. the vestibular apparatus, otoliths, utricle, etc., if at all. [link] [comments]  |
| How, if at all, does barometric pressure affect local tides? Posted: 05 Dec 2019 08:24 AM PST |
| How to photons get turned into electrons inside Night Vision Devices? Posted: 05 Dec 2019 09:43 AM PST In a set of NVDs, I know visible and infrared light get sent in through the lens and through a phosphor screen, then the photons are turned into electrons, bounced around in a series of tubes a few thousand times, then turned back into photons as visible light. My question is, how does adding electricity to photons turn them into electrons and back? [link] [comments]  |
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