If you enjoyed all those not-at-all tiresome "May the 4th be with you" tweets yesterday, then this is likely right up your equatorial trench. Wicked Lasers, makers of the eye-meltingly powerful S3 Krypton laser has developed a $100 attachment for the same that will bring a few not-so-little boys' dreams true. The ahem LaserSaber add-on takes the pin-sharp beam of light from the company's S3 range of lasers, and sends it down a 32" polycarbonate "blade". A so called magnetic gravity system imitates the powering-up and down of tho