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The microbial battery is about 30 percent efficient in extracting the energy from waste water. This amount may seem small, it's roughly the same efficiency as the best commercially available solar cells.
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Daily Readings

Reading 1, Jeremiah 13:1-11
Yahweh said this to me, 'Go and buy a linen waistcloth and put ... Read More

Psalm, Deuteronomy 32:18-19, 20, 21
(You forget the Rock who fathered you, the God who made you, ... Read More

Gospel, Matthew 13:31-35
He put another parable before them, 'The kingdom of Heaven is ... Read More

Saint of the Day

July 28 Saint of the Day

St. Innocent I
July 28: Innocent was born at Albano, Italy. He became Pope, succeeding ... Read More