Dec. 20, 2013. The greater a laser pointer's output power, the more likely it will cause serious eye injuries, burn skin and temporarily impair the vision of pilots or drivers. That much is clear. But judging the safety of that laser pointer in your desk drawer or in your kid's hand isn't simple.
By air. If your baby is easily lulled to sleep by a car ride, sheâll love the roaring engine and gentle tremors of an airplane. Most airlines allow infants to fly once they are 7-14 days old; however, a âTravel Approval Letterâ from your pediatrician may allow your newborn to board even earlier.
Non-pressurized aircraft can fly as long as the owner/operator wants to keep up with proper maintenance. Most commercial airlines will run their aircraft at least 6 days per week, and 48 weeks a year. (given an average of 4 weeks per year down for maintenance) If a long-haul 747 flies 6,000 miles per day, you can do the math.