How can we hear the voice in our head and how is it produced? |
- How can we hear the voice in our head and how is it produced?
- Is it easier to predict the future or the past of orbits?
- How can xylitol be an alcohol and a sugar at the same time?
- how is it possible for carbon-14 to be present in coal samples millions of years old?
- How does the Van De Graff Generator work?
- What is the density of DNA?
- Can blind people tell if it's dark outside?
- If a hurricane gets it's moisture from the ocean, does that create salt water rain, or does the ocean become slightly more concentrated? What happens to the salt in the water when the vapor is absorbed?
- How can they accurately measure rainfall in hurricanes?
- Is the accelerating expansion of the universe a constant acceleration or does the acceleration vary?
- What is happening on a molecular level when I make a cup of coffee?
- North of the Tropic of Cancer is the sun never on the north half of the sky?
- Why can the sound of thunder last for several seconds when a lightning flash is much quicker?
- In construction of buildings what are the different considerations for short and tall buildings?
- How do spiders not get caught in their own webs? Can they get caught in other spider's webs?
- How do mosquitoes know what blood type you are?
| How can we hear the voice in our head and how is it produced? Posted: 26 Aug 2017 05:12 PM PDT |
| Is it easier to predict the future or the past of orbits? Posted: 27 Aug 2017 05:44 AM PDT We know about eclipses in the future and we can also figure out unobserved eclipses of the past with the information we have. But is there any difference in our accuracy of predictions between future and past events? What about longer time, less precise things than eclipses, like predicting where Mars is relative to us in a million years? [link] [comments]  |
| How can xylitol be an alcohol and a sugar at the same time? Posted: 26 Aug 2017 02:19 PM PDT Basically what the title says. Xylitol is a sugar, but it has the "ol" ending, so it's also an alcohol according to my teacher. How? [link] [comments]  |
| how is it possible for carbon-14 to be present in coal samples millions of years old? Posted: 27 Aug 2017 12:29 AM PDT I tried looking up the phrase "how can carbon 14 be present in coal beds" and "carbon 14 found in coal" and found no reliable sources with most of the search results listed being creationist sources which I don't believe to be reliable. If carbon-14 decays in thousands of years how is it possible for it to be present in coal samples millions of years old? [link] [comments]  |
| How does the Van De Graff Generator work? Posted: 27 Aug 2017 05:34 AM PDT I'm really having difficulties with it and it'll be on my exams. Explanation with simpler terms is appreciated. [link] [comments]  |
| Posted: 26 Aug 2017 05:06 PM PDT |
| Can blind people tell if it's dark outside? Posted: 26 Aug 2017 12:38 PM PDT Like they'd be able to tell if it is cooler outside but what if it was winter or something like that. [link] [comments]  |
| Posted: 26 Aug 2017 08:07 AM PDT |
| How can they accurately measure rainfall in hurricanes? Posted: 26 Aug 2017 11:32 AM PDT If the rain is essentially coming down sideways, how is the total measured accurately? [link] [comments]  |
| Is the accelerating expansion of the universe a constant acceleration or does the acceleration vary? Posted: 26 Aug 2017 01:09 PM PDT |
| What is happening on a molecular level when I make a cup of coffee? Posted: 26 Aug 2017 01:32 PM PDT Every morning I get up and I make a coffee by adding a teaspoon of instant coffee with two teaspoons of sugar to boiling water and then adding milk and string, what is happening when everything is mixing together? [link] [comments]  |
| North of the Tropic of Cancer is the sun never on the north half of the sky? Posted: 26 Aug 2017 08:41 PM PDT |
| Why can the sound of thunder last for several seconds when a lightning flash is much quicker? Posted: 26 Aug 2017 08:32 AM PDT |
| In construction of buildings what are the different considerations for short and tall buildings? Posted: 26 Aug 2017 09:35 AM PDT Short buildings are more often 'flatter', and thus their loads and weights are distributed to a larger area thus minimizing pressures. In tall buildings steel frames and spread footing are used to distribute its load to a larger area and thus achieving the same result. Beside weights and loads are there any other differences, in terms of design and physics concepts, that structural engineers have to consider in constructing tall and short buildings? [link] [comments]  |
| How do spiders not get caught in their own webs? Can they get caught in other spider's webs? Posted: 26 Aug 2017 09:13 AM PDT Am watching two different species of spiders very near to each other and was just wondering... [link] [comments]  |
| How do mosquitoes know what blood type you are? Posted: 26 Aug 2017 06:24 AM PDT |
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