Buddy of mine is a big card collector and he’s always talking about the process of getting cards graded. Seems like the entire process is ripe for fraud and the cost to get cards graded seems ...

Ohtani ranks No. 2 only behind Hall of Famer Ken Griffey Jr. for the most baseball cards graded by industry leader PSA (Professional Sports Authenticator) and led all players with the most cards ...

It is typically used for transmitting distances of a couple of kilometers. Standard graded-index fibers typically have a core diameter of 50 or 62.5 µm and a cladding diameter of 125 µm.