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.
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The thickness in micrometres of a screen made by Korean electronics company…
