Minecraft recently got a new weapon called the spear and it introduces some interesting ways to fight hostile mobs and other players. You can either go with the normal jab attack or the more powerful ...

IN the early part of this year I suggested in a letter to NATURE (vol. lxxvii., p. 293, January 30) that it would be desirable for experimenters with flying machines to direct their attention to ...

Includes 2 folded sheets in pocket. Traces the history of flight from Icarus and his waxed wings to the space shuttle. Features pop-up illustrations and instructions for creating a paper model of a ...

Piper Penguin yearns to one day fly like other birds. Unfortunately, he's earth-bound, and his penguin friends do little more than ridicule his dreams. But Piper has a plan to get airborne that ...