Take your spitball firepower to the next level with this guide for constructing a No. 2 Pencil Crossbow, one of many undersized armaments found in John Austin's must-read new book Mini Weapons of Mass Destruction. The #2 Crossbow is a larger variant of the other bows found in this book. With a structurally solid design and double elastic power, it is equipped to fire large realistic skew arrows. It sports a pen-housing barrel that helps with both accuracy and control.
Mini catapult... this could be something really fun to make for a lesson that is a collaboration with a history class. Students could make this one, then take what they learned to design a different one! This definitely promotes students' skills in analyzing, problem-solving, and collaboration with each other!
22 Tricks That Can Make Anyone A Keyboard Ninja - Using the mouse to perform repetitive tasks is not productive. The best way to boost your efficiency levels when browsing the internet is by using keyboard shortcuts.