Best Inventions of 2004

From strapless swim goggles to text messaging chandeliers, TIME takes a look at the year's hottest inventions

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best inventions 2004 ripesense

RipeSense
Inventor: HortResearch
Availability: December
To Learn More: www.ripesense.com

Judging the ripeness of fruit has always seemed more art than science. Now a firm in New Zealand has developed a sensor that detects when pears are ripe by analyzing the aromas emitted by the fruit. Attached to the inside of the fruit's plastic wrapping, the sensor goes from red to orange to yellow as the fruit ripens. Sensors for avocados, kiwis, melons and mangoes are in the works.

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