You can find drill bits with imperial and metric units printed on them, but what about letters? Here's what an A (or B and so on) on a drill means.
The information needed to decipher the last remaining unsolved secret message embedded within a sculpture at CIA headquarters in Virginia sold at auction for nearly $1 million, the auction house ...
According to the numerology of letters, your name holds deep personal meanings unique to you—here’s how to work it out.