Back in 2003 I was fortunate to take a class from metal clay pioneer Hadar Jacobson. At the time, the only clays available were fine silver and gold. Faster firing and stronger versions of silver clay soon followed. In recent years bronze...

Some of these fantastic pieces are space pennants, which were created to travel aboard actual spacecraft as a sort of time capsule and proof of passage.  Both Soviet and American spacecraft carried such pieces, which were designed to survive planetary impact, even to the extent...