the.com/nanoparticles
Matter so small it forgets the rules its bulk version follows.
means Particles between roughly 1 and 100 nanometers, small enough that physics and chemistry start behaving strangely.
from From Greek nanos, dwarf, plus particle; the term scaled up as our microscopes scaled down in the late 20th century.
Color shiftGold nanoparticles look red, not gold.
Old techRoman glass used them centuries before naming them.
Size mathA nanometer is a billionth of a meter.
Surface obsessedTiny size means mostly surface, driving wild reactivity.