What is different about kids’ biology that the COVID vaccine requires special testing for younger ages? |
- What is different about kids’ biology that the COVID vaccine requires special testing for younger ages?
- Do space launches account for the flight path of existing satellites?
- How do transistors act as amplifiers?
- Can you get botulism from eating honey if you're taking antibiotics?
- What is the correct definition of latitude and longitude?
- Can x ray see inflammation and itchiness?
- Why does the word for mum start with an M in almost every language?
- How do maglev trains move and stop?
| Posted: 29 Oct 2021 09:20 PM PDT The science behind the vaccine seems to be non-age-related. Do kids not produce antibodies fast enough or something? [link] [comments]  |
| Do space launches account for the flight path of existing satellites? Posted: 29 Oct 2021 07:44 PM PDT As more satellites are launched into space I would imagine that there is an increased risk for collisions. Is there a map of current satellites as well as space junk? [link] [comments]  |
| How do transistors act as amplifiers? Posted: 29 Oct 2021 10:19 AM PDT I understand how they can Bernabè like switches, but how do they behave like amplifiers? What exactly do they do to have this characteristic? [link] [comments]  |
| Can you get botulism from eating honey if you're taking antibiotics? Posted: 29 Oct 2021 04:56 PM PDT I believe that some antibiotics kill the friendly bacteria in our guts that prevent the bacteria that cause botulism from growing? [link] [comments]  |
| What is the correct definition of latitude and longitude? Posted: 29 Oct 2021 06:39 PM PDT I was taught that latitude and longitude are coordinates, those two words essentially mean two numbers for each point on the planet, or two set of measurements as national geographic puts it. Then, in addition to these words, there are two more: "parallels" - lines of *equal* latitude, and "meridians" - lines of *equal* longitude. Now the kids are in school and I was surprised to see how latitude and longitude are introduced and explained. They say that "latitude is a line" that divides the Earth horizontally, and "longitude is a line" that divides the Earth vertically. Essentially confusing latitude for a "parallel" and longitude for a "meridian". Additionally, youtube is full of similar explanations. What I see especially confusing is that latitude is a measure of how far from the equator, measured "vertically", but explanations say it is a horizontal line, so the kids' brains get short-circuited. So what is right, is there a mix in terminology? [link] [comments]  |
| Can x ray see inflammation and itchiness? Posted: 28 Oct 2021 11:46 PM PDT |
| Why does the word for mum start with an M in almost every language? Posted: 28 Oct 2021 10:40 PM PDT |
| How do maglev trains move and stop? Posted: 28 Oct 2021 07:53 PM PDT I understand electromagnetism, I'm more curious how the actual magnets are laid out. The way I imagined stopping would be magnetic "speed bumps", a strong charge opposite of the charge at the front of the car which would stop as soon as the car passes over, so it only slows the train down instead of also pushing it forward. Is a system of magnets turning off and on depending of the location of the train correct? Or are the rails somehow always active? How does the train actually move and not just get stuck on the strong attractive charge if the rails are constantly on? I've seen some very simple diagrams that didn't explain well or at all really [link] [comments]  |
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