How does an hydropower plant in a river affect the river? |
- How does an hydropower plant in a river affect the river?
- How much power leaks from a charger that is not connected to a device?
- Why does the ice in my ice cube tray sometimes climb upwards as if on an invisible wire?
- What causes the body to produce dental tartar, and how does tartar control toothpaste reduce the amount of tartar buildup on the teeth?
- A fever “breaking” is a term used commonly to describe a cold or illness going into a less severe phase, and is even used in medical papers, what if any is the scientific measurement to quantify it “breaking”?
- How similar are PEMF and rTMS therapies, and how likely are benefits of the latter to generalize to the former?
- Does it cost that much more to heat your house?
- What is the best nose cone shape for a rocket and why?
- Can bees be trained to recognize a certain scent as a friendly?
- So ummmmmmmmmmm how do hills form?
- Why are all the northern US states constantly getting loads of snow when the UK is further north and gets barely anything?
- How is asthma medication made?
- How do satellites become obsolete?
| How does an hydropower plant in a river affect the river? Posted: 20 Jan 2020 02:23 AM PST The water is running through Turbines, which should kill most fish. Is that not a big problem for wandering fishpopulations? [link] [comments]  |
| How much power leaks from a charger that is not connected to a device? Posted: 20 Jan 2020 04:10 AM PST I've heard that if you leave your phone charger plugged in, it will use some power. Every source I find states it is 'just a little', but I would like to have a little more precise indication of how much power is lost. And why does the power leak in the first place if the circuit is not completed? Does the same effect occur with the power socket in the wall? Is the power loss comparable or is it much less? [link] [comments]  |
| Why does the ice in my ice cube tray sometimes climb upwards as if on an invisible wire? Posted: 20 Jan 2020 07:30 AM PST This has been happening for years and years, different ice cube trays and different freezers. I will pour water in my ice cube tray and let it freeze and when I come back one or two of the ice cubes will have a stick of ice about 3cm coming out of the top, a little stick of ice. Is it climbing an impurity somehow? This has always struck me as odd. I have a photo but I'm not sure if I'm supposed to post those here. [link] [comments]  |
| Posted: 19 Jan 2020 06:18 PM PST |
| Posted: 19 Jan 2020 05:53 PM PST |
| Posted: 20 Jan 2020 06:04 AM PST I'm looking into commercial PEMF products, and they tend to conflate PEMF and rTMS. I thought that this was just marketing bluster, but then as I'm looking through a few studies, I find the anti-depressant benefits of rTMS confirmed for PEMF (here) and the abstract specifically says,
So was I wrong to think it's uncertain if benefits of rTMS would generalize to PEMF overall? [link] [comments]  |
| Does it cost that much more to heat your house? Posted: 19 Jan 2020 07:33 PM PST I'm not sure if I am wording this correctly. I have a house, I run a gas furnace and was talking with co-workers about what temperature they keep their own place at and comparing gas prices. When this question got me.. Both houses are starting at 60f. I set my thermostat at 70f and my coworker sets his to 75f. Once we got out target temperature, the cost to maintain that temp should be the same correct? The only difference in a cost should be the extra gas that is required to heat his house up to 75f? Everything after that should be the same (If we theoretically had the exact same house) since a single degree of temperature is the same no matter how hot or cold; or is there something else too it? [link] [comments]  |
| What is the best nose cone shape for a rocket and why? Posted: 19 Jan 2020 07:09 PM PST |
| Can bees be trained to recognize a certain scent as a friendly? Posted: 19 Jan 2020 02:23 PM PST Being that bees rely so much on scent, have there ever been experiments done to train them to recognize a familiar scent as a friendly one so there will be less aggression? We have apiaries and the Mrs wondered if putting a small stone with my cologne on it and refreshing the scent weekly would cause them to recognize me as a scent that belongs. [link] [comments]  |
| So ummmmmmmmmmm how do hills form? Posted: 20 Jan 2020 07:45 AM PST |
| Posted: 19 Jan 2020 06:12 AM PST So apparently in Idaho right now there is 2ft of snow in some places. I live in the south of the UK and we get barely any snow and when we do it's about three inches of mud and water, we are further north than the states, why does this happen? [link] [comments]  |
| How is asthma medication made? Posted: 19 Jan 2020 03:08 AM PST So, very recently, I wanted to learn how rocket fuel was made. I did some googling, and learned all the chemical processes needed to create materials to create experiments that make more materials that eventual create rocket fuel. In the process however, I learnt how to make a lot of dangerous chemicals. So today, I was curious how asthma medication was made, but I couldn't find a single source anywhere on how it's made, I've only found the chemical names. Is it a trade secret or something else? It's just confusing for me that given some time I can learn how to make rocket fuel, but not asthma medication. [link] [comments]  |
| How do satellites become obsolete? Posted: 19 Jan 2020 06:49 AM PST I want to know if a SSL satellite for example would become obsolete if it wasn't software updated anymore. I also would like to know how long it would take AsiaSat's (telecommunications company) satellites to become obsolete. (asking for a friend) Sorry I didn't know what to flair it [link] [comments]  |
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