Schoolgirl invents low-cost lead detecting device Post a Comment Gitanjali Rao's device uses carbon nanotubes to detect the presence of lead in water. Baca JugaBacklash against 'frightening' tests on whalesPoorer nations 'more focused on sustainability'Why it's the end of the road for petrol stations Read More Share : You may like these posts :Semmle, startup that makes code searchable, hauls in $21M Series BMicrosoft claims win over 'Russian political hackers'Drones hunt cocaine farms in ColombiaWater ice 'detected on Moon's surface' Post a Comment for "Schoolgirl invents low-cost lead detecting device"
Post a Comment for "Schoolgirl invents low-cost lead detecting device"