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Japanese diaper sensor will tell you when baby needs changing

A disposable organic sensor that can be embedded in a diaper and wirelessly let a carer know it needs changing was unveiled by Japanese researchers on Monday. The flexible integrated circuit printed on a single plastic film transmits information and……

Scientists unveil solar cells the width, flexibility of spider silk

Austrian and Japanese researchers on Wednesday unveiled solar cells thinner than a thread of spider silk that are flexible enough to be wrapped around a single human hair. The thin-film device, comprising electrodes on a plastic foil, is about 1.9 micro-metres thick, a tenth the size of the thinnest solar…

WATCH: Video of the Japanese ‘Speech-Jammer’ gun in action

Japanese researchers have created a “gun” that enables its user to silence the speech of other people. The device uses a unidirectional microphone to record the speaker’s voice, then play it back to them at a delay of hundredths of a millisecond. The wash of verbiage disrupts the concentration of…

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