techxplore16h
Novel transparent ceramics extend life of semiconductor etching equipment
A research team has successfully developed a new composition and processing technology for transparent plasma-resistant ...
Unusual drawing on rare coin made it sell for 350 TIMES its value after bidding war – do YOU have one in your change?
A UNIQUE drawing on a rare coin has caused the price to jump 350 times its face value. The coin clocked some serious bids in ...
Penny for their thoughts? Coin collectors, dealers, imagine a cent-less world.
New England numismatists have conflicting feelings about the potential end to a coin that has survived more than 200 years of ...
Numismatic News3d
Color on European Coins: Is it Art or Just Clutter?
Are colored European coins a creative enhancement or an unwelcome alteration? While some collectors embrace the vivid designs ...
Limited-edition Canadian coin is a shadowbox featuring woodland wildlife
The Royal Canadian Mint’s new design, Predator or Prey in Shadow Box, is a must-have for collectors and nature lovers. The ...
blogTO4d
Canada just got a breathtaking 3D coin depicting country's woodland creatures
The latest Canadian coin features an intricate depiction of woodland wildlife with a unique twist. The Royal Canadian Mint's ...