Monday, August 20, 2018

Stacking concrete blocks is a surprisingly efficient way to store energy

This seems so clunky, yet it's almost as efficient as lithium-ion batteries:

https://qz.com/1355672/stacking-concrete-blocks-is-a-surprisingly-efficient-way-to-store-energy/

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Active ingredient in Viagra tied to lower Alzheimer's risk — but don't get too excited

More links between the little head and the big head: https://www.livescience.com/health/alzheimers-dementia/active-ingredient-in-viagra-tied...