For certain high-security devices, such as card readers, ATMs, and hardware security modules, normal physical security isn’t enough – they need to wipe out their sensitive data if someone starts ...

Time-domain astronomy is the study of how astronomical objects change with time. Changes may be due to movement or physical changes in the object itself. Examples include pulsar variability, and the ...

Photoshop cc 2014 tutorial showing how to create a bi-directional, optical illusion, photo portrait. Is the face looking to the left or towards the camera? IMPORTANT: At 4:22, Ctrl-click or Cmd-click ...

“Smart Materials” are materials that change their shape, color, or size in response to an externally applied stimulus. Examples of “external stimuli” include changes in temperature, application of an ...