Chemically speaking, is there anything besides economics that keeps us from recycling literally everything? |
- Chemically speaking, is there anything besides economics that keeps us from recycling literally everything?
- Why is the depressurization of Taal Volcano a bad thing?
- Why is it called celiac disease?
- Is there a relationship between Atmospheric Pressure at sea level and the Air-Fuel Ratio of a stoichiometric reaction in an internal combustion engine?
- Does cold medicine actually help make you better, or does it just suppress your symptoms while your body heals itself?
- Is it possible to identify allergens by blood test[immunoblot]?
- What is the extent of the effect that humans have on climate change?
- How did the Stegosaurus overcome its inherent physical obstacle to mating?
- Which is thought to have appeared first, sexual life cycles or multicellularity?
- Why is paramagnetism seemingly stronger than diamagnetism?
- When Betelgeuse explodes, is it going to leave behind a naked-eye planetary nebula?
- Why does the body look droopy at later ages?
- How do large bushfires such as Australia’s cause the sky of areas to turn orange/red?
- Why is tidal height range (difference between high and low tide) different at different places?
- Why are very low frequency vibrations most damaging for structures?
- Where do elements heavier than iron come from?
- Why do seasonal temperatures appear to lag behind the solstices?
- How could scientists compute that the Universe is 13.8 billion years old ?
- Why is the angle of incidence equal to the angle of reflection?
- How does the fatty acid desaturase function in algae contribute to lipid production?
- When calculating thermal expansion, do you multiply the thermal expansion of oxides by their mass percentage or molar mass percentage in a glaze?
- Botany Question: What are the limits of root thigmotropism/thigmonasty?
| Posted: 13 Jan 2020 11:35 AM PST I'm aware that a big reason why so much trash goes un-recycled is that it's simply cheaper to extract the raw materials from nature instead. But how much could we recycle? Are there products that are put together in such a way that the constituent elements actually cannot be re-extracted in a usable form? [link] [comments]  |
| Why is the depressurization of Taal Volcano a bad thing? Posted: 14 Jan 2020 02:46 AM PST The local authority in the Philippines says that the ground fissures from quakes are concerning because they suggest there will be an explosive eruption. However, to an ignorant fool like me, depressurization sounds like a good thing. It seems to me if there is less pressure then there would be a less forceful eruption. But it seems like I'm wrong and I would like to learn why. [link] [comments]  |
| Why is it called celiac disease? Posted: 14 Jan 2020 04:03 AM PST I know what it is and I have seen it has been called by many different names (such as non-tropical sprue and gluten-sensitive enteropathy) but where does the word "celiac" come from? [link] [comments]  |
| Posted: 13 Jan 2020 05:40 PM PST My automotive class at my trade school is currently covering Fuel systems and my instructor says that it's just a coincidence that the Stoichiometric air-fuel ratio (by mass) for an ICE is 14.7::1 and the atmospheric pressure at sea level is ~14.7 psi. I feel like there is more than just coincidence here. [link] [comments]  |
| Posted: 13 Jan 2020 02:44 PM PST |
| Is it possible to identify allergens by blood test[immunoblot]? Posted: 14 Jan 2020 01:59 AM PST can someone please explain how dust/pollen allergies can be understood from blood? [link] [comments]  |
| What is the extent of the effect that humans have on climate change? Posted: 14 Jan 2020 04:54 AM PST I really just want to know how much humans are contributing to climate change, and what the trends in the data from the past tell us about today's current climate. And please let me know about any discrepancies with the data, like if there are large estimations being made, or if there are gaps, or events that influenced certain periods, etc. [link] [comments]  |
| How did the Stegosaurus overcome its inherent physical obstacle to mating? Posted: 13 Jan 2020 07:00 PM PST |
| Which is thought to have appeared first, sexual life cycles or multicellularity? Posted: 13 Jan 2020 09:41 PM PST |
| Why is paramagnetism seemingly stronger than diamagnetism? Posted: 13 Jan 2020 09:12 PM PST Studying I just learned that there's things that magnets exclusively repel called diamagnets, but I've never seen on in real life, not even in college labs when studying magnetism. From what I've seen online diamagnetic materials are barely repelled in comparison to strong magnets attracting paramagnetic material which can crush fingers, why is this the case? [link] [comments]  |
| When Betelgeuse explodes, is it going to leave behind a naked-eye planetary nebula? Posted: 13 Jan 2020 04:25 PM PST |
| Why does the body look droopy at later ages? Posted: 14 Jan 2020 02:18 AM PST I've seen pictures of extremely ripped older males but their bodies don't look plump and as defined as when they were younger or those of younger ages. By droopy I mean less plump or definition and the skin seems saggy or just hanging. Is this inevitable? I'm extremely curious [link] [comments]  |
| How do large bushfires such as Australia’s cause the sky of areas to turn orange/red? Posted: 13 Jan 2020 07:26 PM PST I've seen many videos of people living in and near NSW showing the orange sky caused by the fires. I've also heard some areas in New Zealand are experiencing the same thing because the smoke has reached there. How exactly does this happen? [link] [comments]  |
| Why is tidal height range (difference between high and low tide) different at different places? Posted: 13 Jan 2020 12:41 PM PST I don't understand the Wikipedia explanation. Can anyone please explain why some places in this map have extremely high tide height range, but not others? Like between Madagascar and mainland Africa, but not in the Sea of Japan? Why is there a large difference on some West coast locations (Canada) but not others (Chile)? Why is it so high on the West coast of New Zealand, Panama, Northern Australia, and Eurasia, but not their eastern sides? [link] [comments]  |
| Why are very low frequency vibrations most damaging for structures? Posted: 13 Jan 2020 10:06 AM PST I recently read this fact in a news article stating that a building demolishing exercise was planned in a manner so as to keep the vibrations frequency created by the emulsion explosives blast to above 4Hz. [link] [comments]  |
| Where do elements heavier than iron come from? Posted: 13 Jan 2020 01:21 PM PST Since when a star begins fusing iron it dies, where do the heavier elements, i.e. copper, nickel, and so on up the table, come from? [link] [comments]  |
| Why do seasonal temperatures appear to lag behind the solstices? Posted: 13 Jan 2020 12:14 PM PST The winter/summer solstices seem to be at the beginning of each season. Why do winter/summer temperatures lag behind the point at which the Earth is most tilted? Why don't the winter/summer seasons 'straddle' the solstice with equal parts before and behind? [link] [comments]  |
| How could scientists compute that the Universe is 13.8 billion years old ? Posted: 13 Jan 2020 10:44 AM PST I mean, what is the methodology/calculation behind that age result ? Is it, in any way, linked to the size of the universe today ? [link] [comments]  |
| Why is the angle of incidence equal to the angle of reflection? Posted: 13 Jan 2020 12:22 PM PST As far, as I understand, when a light ray hits a surface, a photon hits an atom. The photon gets absorbed and increases the energy of the atom. The energy of the atom decreases and the atom emits a photon, thus a reflected light ray. But why is this for mirrors in one particular direction, why not arbitrary? I think for not mirroring surfaces it is an arbitrary reflection. But why not for mirrors. I thought, it could have something to do with the atom structure in metals. But you can see your mirror in water too. [link] [comments]  |
| How does the fatty acid desaturase function in algae contribute to lipid production? Posted: 13 Jan 2020 07:47 PM PST |
| Posted: 13 Jan 2020 10:59 AM PST I'm a ceramicist and I'm making a calculator for glaze analysis. I want my calculator to output the co-efficient of thermal expansion of the fired glaze as calculated by the expansion of the various oxides that make up the glaze, but I don't know (and haven't been able to find out) if I should be calculating from the mass or molar mass percentage of the oxides. Let me know if I didn't explain anything well enough! [link] [comments]  |
| Botany Question: What are the limits of root thigmotropism/thigmonasty? Posted: 13 Jan 2020 06:52 PM PST Roots are capable of sensing physical obstacles in soil, like rocks, so that they can grow around them, right? Are roots capable of moving at all once they're grown? Are roots capable of reversible movements, like a flower can open and close? And if roots can move, how long it take for it to move? [link] [comments]  |
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