Activity for user3082
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
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Alternative absorption spectra for plants Chlorophyll-a (the primary one), chlorophyll-b, and(?) beta-carotene (plus other accessory pigments / carotenoids) dictate which portions of the EM spectrum are used as energy by plants. Plants only use part of the available spectrum, because of these limitations. The Sun's output is: Obvi... (more) |
— | over 9 years ago |
| Question | — |
Big Green Men... from Earth There are a couple of stories where humans gain chloroplasts. Here's a clip from one story: They are also infused with bacteriorhodopsin, allowing photosynthesis. It is now possible for a human being to lie on the ground, in the sunlight, for thirty minutes, and absorb all the energy and nutrien... (more) |
— | over 9 years ago |
| Question | — |
What types of atmospheric disruption (and other issues) would my skyhook make? In this question: Where to Anchor My Space Elevator We get a new material: Thanks to the recent discovery of handwavium filaments that can in principle be extruded to any length, we will be able to build space elevators sooner than most people would expect. In my answer to that question, it ... (more) |
— | almost 10 years ago |
| Question | — |
When the Moon comes crashing down (wait, it doesn't) EDIT: Yup, totally misguided here: http://www.physlink.com/Education/AskExperts/ae429.cfm Drifting away. So, no lunar catastrophe for me (without some other handwavium) I've read somewhere that the Moon's orbit will eventually degrade (maybe, it's the ocean tides that're causing orbital degradat... (more) |
— | almost 10 years ago |