Sensu Brush: smart tool combines a rubber-tipped digital stylus with a capacitive paintbrush in a single, sleek, silver package that gives you all the feeling and responsiveness of a real brush without the mess. Available in May.
Gravity Squeezes 40% More Power From These Solar Panels
Eden Full is the inventor of The SunSaluter, a solar panel that pivots to face the sun without requiring a motor. Her ingenuity and a tip from someone at an international science fair led her to optimize solar energy, so a solar panel produces up to 40% more electricity. And all it takes is gravity and some soda bottles.