/u/walrus0's posts

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IAMA guy with a GIS mapping tool that will generate detailed topographic/contour maps of your area and give a basic interpretation of what they mean.

6 upvotes • r/IAmA

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AMA request: Professional tower climber

5 upvotes • r/IAmA

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How close are we to the commercial market availability of liquid metal batteries?

5 upvotes • r/askscience

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Can someone give me a summary of the watt-hour/kilogram ratio of AGM deep cycle lead acid batteries, and average lithium polymer batteries?

2 upvotes • r/askscience

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How much of the payload mass on a typical Progress resupply mission is water and food?

2 upvotes • r/askscience

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When will both of the southern sections of the Aral Sea disappear entirely?

2 upvotes • r/askscience

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If the Mars Science Laboratory (Curiosity) which launches today has a 150W RTG on it, why not also cover the blank upper sections in triple-junction GaAs solar cells?

2 upvotes • r/askscience

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If anyone is curious about the current state of photovoltaics, off-grid solar or the practical applications of solar power for telecom in the third world, I can answer questions about that...

1 upvotes • r/askscience

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What is the smallest scale apparatus commercially available for hydrogen electrolysis and storage of hydrogen in pressure vessels?

1 upvotes • r/askscience

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IAMA mammal, AMA!

1 upvotes • r/IAmA

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
IAMA guy with a GIS mapping tool that will generate detailed topographic/contour maps of your area and give a basic interpretation of what they mean.	6	IAmA
AMA request: Professional tower climber	5	IAmA
How close are we to the commercial market availability of liquid metal batteries?	5	askscience
Can someone give me a summary of the watt-hour/kilogram ratio of AGM deep cycle lead acid batteries, and average lithium polymer batteries?	2	askscience
How much of the payload mass on a typical Progress resupply mission is water and food?	2	askscience
When will both of the southern sections of the Aral Sea disappear entirely?	2	askscience
If the Mars Science Laboratory (Curiosity) which launches today has a 150W RTG on it, why not also cover the blank upper sections in triple-junction GaAs solar cells?	2	askscience
If anyone is curious about the current state of photovoltaics, off-grid solar or the practical applications of solar power for telecom in the third world, I can answer questions about that...	1	askscience
What is the smallest scale apparatus commercially available for hydrogen electrolysis and storage of hydrogen in pressure vessels?	1	askscience
IAMA mammal, AMA!	1	IAmA