/u/saargrin's posts in /r/askscience

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If something is using DC 5V 2A power supply via 220v to 5v2a convertor, does it mean i could also power it from USB? If something is using DC 5V 2A power supply via 220v to 5v2a convertor, does it mean i could also power it from USB?

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Is there a reasonably uncomplicated way to grow antibiotics like penicillin in home environment? Is it possible to grow penicillin from prescription penicillin tablets ? or is there any other way to acquire something that could be jump-started to produce a significant quantity ?

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I recently ran across this research paper claiming that while Arctic ice recede in size, it gained thickness. What is the current view of climate sciences on this issue? http://nsidc.org/arcticseaicenews/2014/02/thicker-on-top-higher-down-under/

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If something is using DC 5V 2A power supply via 220v to 5v2a convertor, does it mean i could also power it from USB? If something is using DC 5V 2A power supply via 220v to 5v2a convertor, does it mean i could also power it from USB?	1
Is there a reasonably uncomplicated way to grow antibiotics like penicillin in home environment? Is it possible to grow penicillin from prescription penicillin tablets ? or is there any other way to acquire something that could be jump-started to produce a significant quantity ?	1
I recently ran across this research paper claiming that while Arctic ice recede in size, it gained thickness. What is the current view of climate sciences on this issue? http://nsidc.org/arcticseaicenews/2014/02/thicker-on-top-higher-down-under/	0