Is it possible to get eye damage, or even a sunburn, from the moon's light? |
- Is it possible to get eye damage, or even a sunburn, from the moon's light?
- Does adding more cameras to a phone actually increase image quality?
- How does the body choose its preferential temperature?
- How dense is the dust in astronomic photos?
- Where do open ocean lighthouses get their power from?
- How can a colonial organism function as a single entity?
- What happens if I push an object faster then the speed of sound in that object?
- Why does my house warm up inside when it's cooler outside?
- How does oxygen and hydrogen combine to form water in space?
- Why are elements like bismuth not unstable if there's such a large discrepancy between their proton and neutron count?
- Would it be possible to have a sustainable energy source using the earths core? Going down 7.5 miles in the 1970s Soviet scientist ran into temperatures of 356 Fahrenheit. Why don’t we try and use it?
- As the Sun cools down, is it possible that Venus would become an exoplanet similar to Earth, while Earth dries out and becomes like Mars?
- Are space and time continuous?
- how does nuclear fission/fusion actually produce gamma rays in terms of moving charges?
| Is it possible to get eye damage, or even a sunburn, from the moon's light? Posted: 12 Sep 2019 11:11 PM PDT If moon is just reflecting the Sun's light, then are the UV rays also reflected? And are the UV rays strong enough do damage or affect the human body at all? [link] [comments]  |
| Does adding more cameras to a phone actually increase image quality? Posted: 13 Sep 2019 03:42 AM PDT The new iPhone has 3 cameras, but the last one had 2. Does adding another camera do anything or is it a gimmick. [link] [comments]  |
| How does the body choose its preferential temperature? Posted: 13 Sep 2019 04:22 AM PDT Like say the shower is "too hot" for me but is "warm" at best for somebody else. Is it purely our choice as the individual? Or are there factors that impact this "preference"? [link] [comments]  |
| How dense is the dust in astronomic photos? Posted: 13 Sep 2019 03:42 AM PDT Where is the rest of gas in photo's like this APOD? Is it there but we just don't see it and how dense is it e.g. compared to clouds on earth? [link] [comments]  |
| Where do open ocean lighthouses get their power from? Posted: 13 Sep 2019 04:33 AM PDT I know that most lighthouses are automated and electrified by now, and that a lot of them run on solar energy. But are there any other power sources like for example fuel generators? Especially with bigger ones with bunks for a crew to sleep when doing larger maintenance, is there a secondary supply? And what happens in emergencies? Thanks in advance! Edit: I'm talking about offshore lighthouses like Roter Sand or Eddystone Lighthouse. [link] [comments]  |
| How can a colonial organism function as a single entity? Posted: 13 Sep 2019 06:04 AM PDT Specifically, the Portuguese man-o-war just blows my mind. It's like a very complex combiner Transformer™. Do the various single species involved have their own lives outside of this colonial existence? Can they be found in any other colonial organisms, or as parasites or symbionts to other more homogeneous (classified as non-colonial) organisms? I don't need an /r/eli5, maybe 10 or 12 would suffice. [link] [comments]  |
| What happens if I push an object faster then the speed of sound in that object? Posted: 13 Sep 2019 01:25 AM PDT So when i start pushing an object (let's say a metal rod) on one end, the other end starts moving with the time delay of the sound needing to travel through that rod, right? If I would accelerate the rod sharp (without buildup) faster than it's internal speed of sound, what would happen? I'm guessing I would crush that object, right? [link] [comments]  |
| Why does my house warm up inside when it's cooler outside? Posted: 12 Sep 2019 09:06 PM PDT It's currently low 60s outside. My inside temp was around 73 from when it was warmer today (mid 70s), so I turned the A/C on to get it down to 68. After shutting the air off, the inside temp has gone up a few degrees over the past hour or two. The oven isn't on or anything like that. The heat definitely isn't on. I'm just curious what would make a house actually gain temperature when the outside is cooler. [link] [comments]  |
| How does oxygen and hydrogen combine to form water in space? Posted: 12 Sep 2019 07:07 PM PDT I understand that heavier elements like oxygen come from supernovas, but once the oxygen and hydrogen are floating around in space, how do they combine to form liquid water/vapor/ice? [link] [comments]  |
| Posted: 12 Sep 2019 08:00 PM PDT I mean that's more than a 117 neutron difference. How is that not unstable? And I'm not talking about bismuth specifically, I just want to know for all these elements on the whole. [link] [comments]  |
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| Are space and time continuous? Posted: 12 Sep 2019 08:35 AM PDT We classically speak of space and time as continuous things. Energy, however, is actually quantized. What about space-time? [link] [comments]  |
| how does nuclear fission/fusion actually produce gamma rays in terms of moving charges? Posted: 12 Sep 2019 11:12 AM PDT i sort of understand how radio (and microwave, etc) signals are generated for AM/FM or telecommunication; by using high frequency alternating current, and a circuit to add the intended data, in a fairly complicated way with antennas which moves the charges and causes them to emit EM radiation with the data, afaik. so basically they use electricity and antennas. But how does gamma radiation get "produced" (or emitted) from the inside of a decaying atom, or one that's just fused into something else? everyone probably knows that everything with heat emits radiation, room temp is IR, and things at say 800 degrees c will emit some visible radiation im guessing because that heat vibrates the atom and thus the electron, and moving charges emit radiation. Would this be the case for gamma radiation? possibly due to how unstable the core is or the immense amount of heat there is, the atom starts vibrating at 1024 hz (or a yottahertz)? [link] [comments]  |
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