A poem by Emma Lazarus: Bar Kochba

Bar Kochba Weep, Israel! your tardy meed outpour Of grateful homage on his fallen head, That never coronal of triumph wore, Untombed, dishonored, and unchapleted. If Victory makes the hero, raw Success The stamp of virtue, unremembered Be then the ...

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Watering the world

Engineers at MIT have found a way to cut the cost of solar-powered drip systems by half, by optimizing the drippers. Furthermore, these new drippers can halve the pumping power required to irrigate, lowering energy bills for farmers. Pictured is ...

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