Cost: 62.5 trillion per gram What is it for: antimatter in the future could theoretically be used as fuel for spaceships to other planets. The problem is that its production requires extremely expensive technology, and to create just 1 gram, the world would have to work for a year
Gold means a luxury, is not it? The precious metal is often associated with royalty and wealth. However, this metal is not the most expensive substance in the world.
's 16 most expensive substance by weight:
Saffron