Projects
Build an aquarium whose gentle curtain of recir- culating water sets the stage for an ever-changing jellyfish ballet. Then wire up a lightweight, portable sign that instantly displays anything you type in big, bright LED letters. Finally, turn back the clock and make the limestone-based spotlight that was tate-of-the-art pre-Edison incandescent lighting.
Jellyfish Tank
82
PS/2/You
92
Limelight
Garry McLeod
104
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