02/05/2016

Engineers produce biodiesel from microalgae in three hours

Microalgae developed in wastewater retain large amounts of lipids, carbohydrates and proteins suitable for energy production, without a biomass limit or transformation. Scientists at the National University of Mexico (UNAM) ...

Researchers develop secure audio captchas

Many websites require users to prove that they are human by entering symbols that are difficult to read. For partially sighted users, acoustic solutions have been devised. IT researchers aim to improve their quality.

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