What are the actual negative effects of Japan’s 2011 Fukushima Daiichi nuclear disaster today? |
- What are the actual negative effects of Japan’s 2011 Fukushima Daiichi nuclear disaster today?
- Why does Death Valley get so hot relative to other places at the same latitude? I'd expect the hottest recorded temperature to be close to the equator but DV is nowhere near the equator. What causes the extreme heat there but not in other places?
- Why do we use the Joule-Thomson Effect for refrigeration?
- How does the photon emission of a solar cell benefit the efficiency?
- How is the Telescope Hubble able to have an exposure of one week if earth rotates?
- Does glass absorb odors?
- For a superconductor of a certain size, is there a limit to how much current can run through it?
- Why do certain vaccines contain elements like Mercury?
- Why is the sun so much more intense midday than in the morning or evening?
- What star has the largest sphere of influence as seen from Earth?
- How does an Atom Interferometer Work??
- If a blue hypergiant 15,000,000x brighter than the Sun appeared within 0.1 light year, how bright would it seem? What impact would it have on Earth?
- Why do most lower-altitude clouds seem to have flat bottoms?
- Is dry subduction (no ocean above) possible?
- Do stationary electrons generate a magnetic field?
- What is the zeroth law of thermodynamics actually saying?
- In the movie Apollo 13, when the rocket is taking off it almost looks as if pieces are breaking off on launch. Is this real or just a movie effect?
- What is the most conclusive theory on the origin of the Nastapoka arc ?
- Will animals eventually evolve to have human-like intelligence?
- I it possible to continuously accelerate at the same rate (relative to an observer on the object) without reaching the speed of light?
| What are the actual negative effects of Japan’s 2011 Fukushima Daiichi nuclear disaster today? Posted: 12 Jul 2018 06:28 PM PDT I'm hearing that Japan is in danger a lot more serious than Chernobyl, it is expanding, getting worse, and that the government is silencing the truth about these and blinding the world and even their own people due to political and economical reasonings. Am I to believe that the government is really pushing campaigns for Fukushima to encourage other Japanese residents and the world to consume Fukushima products? However, I'm also hearing that these are all just conspiracy theory and since it's already been 7 years since the incident, as long as people don't travel within the gates of nuclear plants, there isn't much inherent danger and threat against the tourists and even the residents. Am I to believe that there is no more radiation flowing or expanding and that less than 0.0001% of the world population is in minor danger? Are there any Anthropologist, Radiologist, Nutritionist, Geologist, or Environmentalists alike who does not live in or near Japan who can confirm the negative effects of the radiation expansion of Japan and its product distribution around the world? [link] [comments]  |
| Posted: 13 Jul 2018 01:51 AM PDT |
| Why do we use the Joule-Thomson Effect for refrigeration? Posted: 13 Jul 2018 06:53 AM PDT Putting compressed gas through a nozzle to let it expand and cool (Joule-Thomson Effect, as used in every fridge and air conditioner) seems inefficient for cooling. Why don't we instead take the same volume, pressure and temperature compressed gas and make it do work by putting it through a turbine? Even if the energy from doing the work were entirely wasted, the resulting gas would be significantly colder, and therefore better for refrigeration. In reality, we could also use the energy from the turbine, potentially gearing it to the compressor to reduce electricity usage. EDIT: It seems what I'm describing is a turboexpander. Wikipedia reports them as more efficient than regular throttling nozzles, so I guess my question becomes "Why doesn't everyone do this if they're more efficient?". [link] [comments]  |
| How does the photon emission of a solar cell benefit the efficiency? Posted: 13 Jul 2018 03:40 AM PDT Counterintuitive as it sounds, the better a solar cell is at emitting photons, the higher its voltage and the greater its efficiency. But how does this contribution to the efficiency work? The issue is adressed in this article for example [link] [comments]  |
| How is the Telescope Hubble able to have an exposure of one week if earth rotates? Posted: 13 Jul 2018 03:42 AM PDT My guess would be, it waits for the earth to move for 24h but it keeps moving and its also rotating around the sun. Is it just calculated that exacly? [link] [comments]  |
| Posted: 13 Jul 2018 07:05 AM PDT |
| For a superconductor of a certain size, is there a limit to how much current can run through it? Posted: 13 Jul 2018 07:06 AM PDT My thoughts are that with normal(copper, aluminum) conductors, the main current limits come from resistance in the conductor causing the conductor to heat up when too much current is passed through it. If the conductor had no resistance, however, what would that limit be, if there was one? [link] [comments]  |
| Why do certain vaccines contain elements like Mercury? Posted: 12 Jul 2018 10:38 PM PDT This is probably an incredibly stupid question, and I apologize. I've been told that vaccines contain mercury. I've accepted the explanation that even though mercury in it's pure form is toxic, when in compound form it can be helpful. My question is, don't vaccines contain a weakened form of a germ? What is mercury doing in vaccines? [link] [comments]  |
| Why is the sun so much more intense midday than in the morning or evening? Posted: 13 Jul 2018 05:39 AM PDT It's so much easier to get sunburned in the early afternoon compared to the morning and evening, and the sun can be felt to be much more intense. [link] [comments]  |
| What star has the largest sphere of influence as seen from Earth? Posted: 12 Jul 2018 04:08 PM PDT Obviously Im excluding the sun in this question, but Im curious what star or binary stars sphere of influence has the greatest angular diameter as seen from Earth and how big is it compared to the Moons angular diameter? I am also curious as to how big the Moons sphere of influence appears from Earth? [link] [comments]  |
| How does an Atom Interferometer Work?? Posted: 13 Jul 2018 04:09 AM PDT I understand how an atomic clock works. What I really don't understand is why atom interferometers require two arms. Couldn't you just use a single arm? As atom interferometers work like an atomic clock, which produces a stable fringe with a single beam, I don't see the need for a second beam path. And what even is being interfered exactly? [link] [comments]  |
| Posted: 12 Jul 2018 12:19 PM PDT ok ,how large it in the sky,how interesting of it in science? [link] [comments]  |
| Why do most lower-altitude clouds seem to have flat bottoms? Posted: 12 Jul 2018 02:57 PM PDT |
| Is dry subduction (no ocean above) possible? Posted: 12 Jul 2018 02:10 PM PDT |
| Do stationary electrons generate a magnetic field? Posted: 12 Jul 2018 07:44 PM PDT So, moving electrons (i.e. an electric current) generate a magnetic field, yeah? But that implies that stationary electrons have no magnetic field, which isn't true, because their spin gives them little magnetic fields, doesn't it? With electromagnets, rather than having an electric current going through them, couldn't we just have a bunch of stationary electrons, since they're like little magnets? Why do moving electrons generate a magnetic field in the first place? And why does their spin give them a magnetic field? I know it's not literal a spin like a spinning top. What exactly is it? Thank you. [link] [comments]  |
| What is the zeroth law of thermodynamics actually saying? Posted: 12 Jul 2018 04:46 PM PDT "The Zeroth Law of Thermodynamics states that if two bodies are each in thermal equilibrium with some third body, then they are also in equilibrium with each other."* What exactly does that mean? I read it as basically if Body 1 is X degrees and Body 2 is X degrees, than some third body is X degrees. I don't think I have that right, because that doesn't make sense. Can someone explain it to me? [link] [comments]  |
| Posted: 13 Jul 2018 12:45 AM PDT If you look closely you see a ton of debris falling. Just curious what this is. [link] [comments]  |
| What is the most conclusive theory on the origin of the Nastapoka arc ? Posted: 12 Jul 2018 10:47 AM PDT |
| Will animals eventually evolve to have human-like intelligence? Posted: 13 Jul 2018 12:08 AM PDT If somehow I'm transported a couple hundred thousand years or even further into the future, could I see an Earth with multiple advanced species with language and culture? Or are there certain environmental pressures that'll pretty much ensure no other species will become as intelligent and advanced as humans? Basically will my cat's descendants ever be able to talk to my descendants as if two modern humans are conversing? [link] [comments]  |
| Posted: 12 Jul 2018 12:07 PM PDT Lets say that and object was accelerating at a constant rate, say 10m/s/s, and there was an observer on the object. Would it be possible for the object to appear to keep its constant acceleration from the perspective of the observer on the object but appear to have its acceleration slow down as it approached the speed of light from the perspective of an observer not on the object? [link] [comments]  |
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