If you ever plan to lead a PowerPoint presentation projected on giant white board orbiting the Earth (we'll leave the logistics of that one up to you) there's only one laser pointer that will get the job done -- Wicked Lasers' S3 Krypton. The Guinness Record-pending pointer produces about 86 million lux and can be seen from up to 85 miles away, well beyond the edge of our atmosphere. Of course, at roughly 8,000-times the brightness of the Sun, serious safety precautions are needed when operating the S3. Goggles are a must (and bundled with
