Smartphones may soon be able to run on sunlight. That is, if an invention by Korean scientists manages to gain enough traction.
According to an article published in the Journal of Power Sources on January 1, 2021, Professor Joondong Kim and his team from the Incheon National University in South Korea have discovered a way to make working transparent solar panels using titanium dioxide (TiO2) and nickel oxide (NiO).
