This chip can purify the water | Environmental Digit
Getting portable water is a hugh problem all around the world, and-also disinfecting contaminated water can be costly and time-intensive procedure like normal UV rays disinfecting water can take up to 48 hours and only treat relatively very low amount of water.
A new chip like device created by researchers at Stanford University and SLAC National Accelerator Laboratory solves this problem, watch this video to know more :)