Science assignment- Form 4 Chapter 5
WHAT IS A NANO ? Human Hair ……… 1 0 0, 0 0 0 nanometers Pin head 1mm ……. 1 0 0 0, 0 0 0 nanometers Products and technologies utilizing up to 99 nm size.
Corrosion - Back to nature……. Silver turns black, copper green – and steel gets brown Why on earth does everything start to corrode?
