Archaeologists have discovered a mask mold believed to depict Medusa at Valley of the Temples Archaeological Park in in ...

We know a mask doesn’t block breathing, but it does change the feeling of one’s airflow. For some autistic people (of all ages) or developmentally disabled seniors, this can give the sensation of ...

By placing a cubic phase mask in the back aperture of the objective, the depth of field is significantly extended and more of the algae appears in focus. The blur induced by the cubic phase mask was ...