26/07/2019

When droplets walk across a liquid surface

When a container of silicone oil or other similar liquid is vertically shaken at a regular frequency, 1-millimeter-sized droplets of the same liquid placed on the liquid's surface appear to "walk" across the surface at speeds ...

Despondent Guatemalan coffee growers dream of US return

Many Guatemalans who spent years working in the United States to come home and set up a small coffee-growing business have seen their savings drained and their hopes dashed due to low coffee prices.

China accuses FedEx of 'holding up' Huawei parcels

China accused FedEx of deliberately "holding up" the delivery of more than 100 Huawei packages after the US firm misrouted some parcels from the telecom giant, state media said Friday.

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