04/12/2018

Astrocast successfully launches its first satellite

Yesterday evening, Astrocast – a young start-up spun out of EPFL – launched its first demonstration satellite intended to test its Internet-of-Things system. It was put into orbit by a SpaceX rocket that took off from ...

Colloidal quantum dots make LEDs shine bright in the infrared

The ideal optoelectronic semiconductor material would be a strong light emitter and an efficient charge conductor to allow for electrical injection in devices. These two conditions, when met, can lead to highly efficient ...

Early literacy may compromise grammatical learning

Learning how to read may have some disadvantages for learning grammar. Children who cannot read yet often treat multiword phrases as wholes ("how-are-you"). After learning to read, children notice individual words more, as ...

Ideal marriage partners drive Waorani warriors to war

Why do people go to war when the consequences of warfare are so dramatic? Scholars have suggested that the motivations for participating in war either lie in the individual rewards warriors receive (to the victor goes the ...

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