Agcat- “Ultimately, my hope is that such tiny objects will have smartphone capabilities and be built to float about helping us in our everyday lives in smarter ways,” said the University of Tokyo professor, who hopes it will be commercially viable in five to 10 years.

TOKYO (Reuters) – Japanese Scientists Invent floating ‘Firefly’ Light – Japanese engineering researchers say they have created a tiny electronic light the size of a firefly which rides waves of ultrasound, and could eventually figure in applications ranging from moving displays to projection mapping.  Named Luciola for its resemblance to the firefly, the featherweight levitating particle weighs 16.2 mg, has a diameter of 3.5 mm (0.14 inch), and emits a red glimmer that can just about illuminate text.  But its minuscule size belies the power of the 285 microspeakers emitting ultrasonic waves that hold up the light, and have a frequency inaudible to the human ear, allowing Luciola to operate in apparent total silence.

Credit:  By Hideki Kato  Reuters•February 23, 2018

ERATO Kawahara Universal Information Network Project’s ‘Luciola’, miniature floating LED light aptly named after fireflies, lights on written text during its demonstration at the University of Tokyo, Japan February 20, 2018. REUTERS/Toru Hanai

ERATO Kawahara Universal Information Network Project’s ‘Luciola’, miniature floating LED light aptly named after fireflies, lights on written text during its demonstration at the University of Tokyo, Japan February 20, 2018. REUTERS/Toru Hanai

Makoto Takamiya, Associate Professor of the University of Tokyo looks at ERATO Kawahara Universal Information Network Project’s ‘Luciola’ (red dot), miniature floating LED light aptly named after fireflies, during a demonstration at the University of Tokyo, Japan February 20, 2018. REUTERS/Toru Hanai

It took two years for Luciola to get this far, said circuit design specialist Makoto Takamiya, a member of the Kawahara Universal Information Network Project that developed the device.

“Ultimately, my hope is that such tiny objects will have smartphone capabilities and be built to float about helping us in our everyday lives in smarter ways,” said the University of Tokyo professor, who hopes it will be commercially viable in five to 10 years.

The developers expect Luciola to find applications in the so-called Internet of Things, in which regular objects, such as cars, or domestic appliances such as air-conditioners, are connected to networks to send and receive data.

Equipped with movement or temperature sensors, Luciola could fly to such objects to deliver a message or help to make moving displays with multiple lights that can detect the presence of humans, or participate in futuristic projection mapping events.

The Kawahara Universal Information Network Project is a government-funded programme that is part of the Japan Science and Technology Agency and explores advances in information and communication technology.

(Reporting by Hideki Kato; Writing by Karishma Singh; Editing by Clarence Fernandez)

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