15/09/2015

New efficiency record for solar hydrogen production is 14 percent

An international team has succeeded in considerably increasing the efficiency for direct solar water splitting with a tandem solar cell whose surfaces have been selectively modified. The new record value is 14 percent and ...

Technology doesn't make school pupils smarter, study says

Computers do not noticeably improve school pupils' academic results and can even hamper performance, an OECD report said Tuesday that looked at the impact of technology in classrooms across the globe.

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