Archive: 3/03/2015

Visa, MasterCard moving into mobile pay in Africa

Americans may just be getting used to mobile pay, but consumers in many African countries have been paying with their phones for years. Now payment processors Visa and MasterCard want to get a slice of that market, and are ...

dateMar 03, 2015 in Business
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Lightning plus volcanic ash make glass

In their open-access paper for Geology, Kimberly Genareau and colleagues propose, for the first time, a mechanism for the generation of glass spherules in geologic deposits through the occurrence of volcanic lightning. The ...

dateMar 03, 2015 in Earth Sciences
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