Another callback to Apollo will crown the MPCV during launch: It's a small launch-abort system rocket (LAS) ready to boost the crew module to safety in an emergency. The LAS also protects the crew module from hazardous atmospheric loads and heating. The Senate Launch System? The Multi-...
Never view the Sun through a camera lens, telescope, or other optics without a certified solar filter over the FRONT of the optics to avoid serious eye injury. Solar filters MUST be attached to the front of any telescope, camera lens or other optics. Do not use non-solar filter drop-in ...
In 2003, the Columbia broke up during re-entry over Texas. Since the Columbia accident, the shuttles have been grounded pending redesigns to improve their safety. The 2005 shuttle Discovery was supposed to initiate the return to flight, but a large piece of insulating foam broke free from its...
Wear suitable laser safety eye-wear Keep room lights on brightly if possible Locate and terminate all stray laser beams at an absorbing or diffusely reflecting surface Avoid stray laser beam reflections as they could be hazardous to the eyes and skin ...
Using drones for surveying and mapping eliminates the need for surveyors and mappers to work in hazardous or difficult-to-access areas. This can improve safety and reduce the risk of injury or accidents. With the proper certification, operators can employ unmanned aerial vehicles (UAVs) for secur...
At night, why does it take my eyes several minutes to get used to darkness? Why do people have red eyes in flash photographs? More Great Links Corrective Lenses - illustrated tutorials Gerber Coburn Optical - equipment manufacturers Optics for Kids: Basic Lens Physics Tech Notes: The Opti-Pol...
Simply put, there's no definitive answer without context, as the luminance in nits will be relative to the projected image size and the projection surface. It's possible to get reference values as long as the projectors are tested in the same setup, which is, fortunately, exactly what we ...
The ThinkOptics glasses arrive with a slim universal pod case that securely holds your reading glasses. The matte black case is sleek and elegant that can attach to hard, flat surfaces like your phone or laptop. The glasses sit comfortably in the case, and you can attach them to the back...
Family road trips can give your teen a chance to get away from the daily distractions and social pressures at the root of a lot of their day-to-day stress. But travel with teens can also mean trying to balance their need for space with their need for greater connection with you. If do...
In 2003, the Columbia broke up during re-entry over Texas. Since the Columbia accident, the shuttles have been grounded pending redesigns to improve their safety. The 2005 shuttle Discovery was supposed to initiate the return to flight, but a large piece of insulating foam broke free from its...