You've definitely used dry-erase markers to mark up a whiteboard in a classroom or at the office—they’re so ubiquitous, they’re even replicated in apps that allow you to keep a whiteboard in ...

Here's a list of fun things to do before the devices are switched on. 1. Build a snowman. Whether you're partial to Olaf or Frosty the Snowman -- no snow day is complete without b ...