Some atoms are stable, while others seem to fall apart. Lead-208 will probably last forever, while the synthetic isotope technetium-99 exists for just hours. The difference lies in the structure of ...
A game of Magic: The Gathering begins well before players lay down their first card. As a collectible card game, Magic requires competitive players to select the optimal deck of cards based on how ...
Why do some elements decay in minutes, while others last billions of years? Certain "magic numbers" of nuclear particles may make all the difference. When you purchase through links on our site, we ...