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China's new iron battery hits 99.4 percent efficiency over 6000 cycles
(interestingengineering.com)
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this post was submitted on 29 Apr 2026
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Now, is that cause for worry or am I silly?
I don't think China does April Fools' Day.
Scientists generally don't do it.
Now, Feynman day (11 May) on the other hand...
The publication date would be decided by Wiley.