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One Per Cent

Why wine needs oxygen and thin screens
Oxygen exposure
Oxygen exposure
(Image: Helge Mundt/Plainpicture)

Oxygen into wine

In vino veritas, they say, but you find more than truth in a good glass of red. Oxygen, in just the right amount, is crucial. The air-tight steel barrels often used for aging make it difficult and expensive to ensure a wine gets enough. Now New Zealand entrepreneurs have created the “wine grenade†– a small, cheap gadget that can be plonked into the tank to gradually release a specific amount of oxygen, making sure your red is perfectly breathed.

970

The thickness in micrometres of a screen made by Korean electronics company LG – so thin you can stick it to the wall with a magnetic mat

Algorithmically racist

Two tech giants faced public outcry over embarrassing bugs this week. Searching a racial slur on Google Maps sent users to the White House. Meanwhile, Flickr’s automated image tagging had been labelling pictures of black people with the words “ape†and “animalâ€, and pictures of Dachau concentration camp with “jungle gymâ€. Both companies apologised and pledged to fix the issues.

Topics: Oxygen