Activity for JBH
Type | On... | Excerpt | Status | Date |
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Could grow lights on a massive scale replace 100% of sunlight for 100% of the growing season? In a world where pollution and population have drastically reduced the effectiveness of sunlight to grow food, would light-panels be capable of completely replacing the sun? The problem I'm trying to solve is rationalizing indoor farming for 100% of the Earth's agriculture. Piping in water is a bi... (more) |
— | over 2 years ago |
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A: A single beam laser treatment to both remove hair and flatten a scar Easy answer: No You're using the same technology to do two different things: remove hair and remove or encourage healing of scar tissue. Hair removal uses a laser frequency that's absorbed by the melanin in the hair. As the melanin heats up, it damages the hair folicle (meaning the laser must ... (more) |
— | over 2 years ago |
Answer | — |
A: Digging Depressions in seafloor to create artificial islands in nearby areas This is already done today The UAE artificial islands use material dredged from the sea bottom to ceate the islands. But is it sustainable? The easy answer is "no." You're not creating islands out of bedrock, you're creating islands out of sand. You might remember the old ditty based on the ... (more) |
— | over 2 years ago |
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A few questions as I dip my toes in the water here I took the tour and was told that questions about magic wouldn't find a place here. That's when I started looking around. 1. There are 500+ tags, apparently not a single one of them has a summary or a wiki. They're obviously copied from worldbuilding.se. What is the process for defining those tags... (more) |
— | over 2 years ago |