Filipina and Her Brother Invented a Lamp That Runs Entirely on Metal and Salt Water

The idea is so simple, yet kind of genius. With just a few strips of metal, table salt and tap water, or seawater, their brilliant invention can bring light to millions of homes that don’t have electricity, and can’t afford gas. Thanks to sister-brother team Aisa and Raphael Mijeno in the Philippines, thousands of underprivileged … Read more