TechnologyJapan wants to use the Olympic games to promote hydrogen to the world Hydrogen has the potential to be the green energy source of the future, and Japan wants to use symbols like the Olympic and Paralympic torches to tout its benefits Insight
TechnologyVibrations from a smartphone can help us spot unsafe drinking water A smartphone’s motion sensor and vibrating ringtone can be used to measure the viscosity of liquids, which can reveal impurities in water, and even test urine to diagnose kidney conditions or pregnancy News