Hosted on MSN10mon
This mysterious iron pillar in India has been exposed to the elements for over 1,600 years. So why hasn’t it ever rusted?
They found that the pillar, primarily made of wrought iron, has a high phosphorus content (about 1%), and lacks sulfur and magnesium, unlike modern iron. Additionally, ancient craftsmen used a ...
UBS3y
The Swiss pension system is based on the 3-pillar principle
Pillar 1 comprises the AHV (old-age and survivors’ insurance) and the DI (disability insurance). It is mandatory for everyone employed in Switzerland and guarantees a basic minimum income in ...