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

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How do washing machine colour catcher sheets work? How come other white things in the wash don't get stained?

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Why do wind turbines have 3 thin blades rather than big fat ones like old windmills had?

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What's the news on battery tech nowadays? There were news stories a while back talking about 10 times the capacity, charging 10 times as quickly, with little deterioration in capacity over time etc... Is anything looking that promising?

1 upvotes

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Can anyone recommend a good book about "The Standard Model"? Ideally at pre-university level.

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When someone says that lightning has x much power, how do they know? How is the power of a lightning strike measured/calculated?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How do washing machine colour catcher sheets work? How come other white things in the wash don't get stained?	2
Why do wind turbines have 3 thin blades rather than big fat ones like old windmills had?	2
What's the news on battery tech nowadays? There were news stories a while back talking about 10 times the capacity, charging 10 times as quickly, with little deterioration in capacity over time etc... Is anything looking that promising?	1
Can anyone recommend a good book about "The Standard Model"? Ideally at pre-university level.	1
When someone says that lightning has x much power, how do they know? How is the power of a lightning strike measured/calculated?	1