Western Visayas Young Inventors
Pisay students from the Iloilo City campus, who call themselves Voltage 5, developed the S-Light device. Credits to PSHS-WV

While the world is still searching for an alternative source of energy that is dependable, cheap and sustainable, a group of young Grade 11 students from the Philippine Science High School-Western Visayas Campus decided to take a shot at the challenge by creating a simple device which they named The Sound – Light, “S-Light” for short which actually works by transforming noise to electricity.

The fledgling inventors, calling themselves Voltage 5, is composed of Kirsten Dianne Delmo, Nico Andrei Serrato, Joecile Faith Monana, Frelean Faith Engallado, and Raphael Francis Dequilla.

The principle is so surprisingly simple, the device is just made up of an ordinary speaker with a P200 ($4) capacitor. When the device is subjected to noise the diaphragm of the speaker vibrates which makes the magnet and the coil interact creating electricity that can be used as a power source or be stored in a power bank.

And Viola! Their invention won the Silver Award at the Young Inventors Challenge 2019 held in October in Malaysia.

Though converting sound waves to electricity is not new there has been little work and development on the concept. The team decided to work on it to give focus and more attention to the idea, which they realized had a lot of potential in this modern noisy world.

The potential application for airports, aircraft, and factory machines are just waiting to be tapped by this Filipino invention.

Pisay students and alumni have displayed excellence in science and technology and among the recent achievements are Pisay students at the LEGO Robotics Festival, at the Sudoku Championships, and at the IBM Food Waste Developer Challenge.

SEND congratulations in the comments below to the Pisay Western Visayas students for innovating on green energy!

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