The atomic mass of silver is 107.8682 which means that 1 mole of silver is equal to 107.8682 grams if it is pure. 1 mole of any element, in this case silver, is 6.022 X 1023 atoms of silver.
However, 1024 atoms is more than a mole. (2.3 X 1024) divided by 6.022 X 1023 is equal to 3.819 moles. Multiplying this number by 107.8682 grams/mole gives the result of 411.984 grams.
Just now, amid a weak trend in the global markets, silver futures moved down by Rs 105 to Rs 45,370 per kg today as speculators offloaded positions. Read more at Business Standard.
According to Wired, priced at $490, this is easily the most impractical 1TB hard drive in the galaxy. The LaCie Sphère is a silver-plated globe about the size of a softball. Find out more here.