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Fruit fantastic

Fruit fantastic

作者:左丘屡伫  时间:2019-03-06 07:14:00  人气:

By Justin Mullins FORGET squeezing fruit to see if it’s ripe—just look at the way it glows in the dark. That’s the message from Portugal, where scientists have discovered that, when ripe, fruits such as apples and kiwi fruit fluoresce brightly if they are zapped with a laser. They hope the effect will provide a way to tell the age and ripeness of fruit on an industrial scale, without anyone having to touch it. Alexander Kharmalov, a physicist at the University of Coimbra in Portugal, discovered the effect by accident. For a laugh,