This rarely seen glass octopus bared all recently — even a view of its innards — when an underwater robot filmed it ...

The finish on a pen nib became a fashion statement. As the quill pen evolved into the dip pen, the holders for the nibs became more elaborate. Women’s pens were less bulky than those used by men.

Angel Wings You can find this glowing glass dip pen set on artventure.store North Korean friendly fire kills eight Russian ...

Dip Pen Nanolithography ® (DPN ™) is the controlled delivery of material from nanoscale tips to a surface. Its advantages over other lithography techniques include low operating costs ...