Toward an ultrahigh energy density capacitor

Capacitors that rapidly store and release electric energy are key components in modern electronics and power systems. However, the most commonly used ones have low energy densities compared to other storage systems like batteries ...

Hotmail is dead as Outlook.com takes over

Microsoft's Hotmail, the free webmail service used by hundreds of millions of people around the world, was phased out Friday, as the US tech giant completed a rebranding to Outlook.com.

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