These pens handle notes and can transform them into digital images, record audio, and edit pre-existing notes. Like the Livescribe Symphony Smartpen, which does all of those useful things ...

Pilot FriXion Clicker: A bright way for bright minds to get into STEM, FriXion is the first erasable fine point marker pen; Its unique thermo-sensitive ink formula lets you erase and rewrite ...

Erasable pen ink is a thermochromic material that doesn’t get removed from paper when erased like graphite from a pencil. Instead the heat from the friction of erasing causes it to become ...