Abstract: Quantum key distribution (QKD) enables the establishment of secret keys between users connected via a channel vulnerable to eavesdropping, with information-theoretic security, that is, ...
How-To Geek on MSN
Excel's hidden formula trick: Alt+Enter shortcut revealed
The Alt+Enter shortcut isn't limited to new formulas you write—you can go back and clean up any messy formulas at any time.
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