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First-person view through night-vision goggles of the FBI Hostage Rescue Team using an airboat. A night-vision device (NVD), also known as a night optical/observation device (NOD) or night-vision goggle (NVG), is an optoelectronic device that allows visualization of images in low levels of light, improving the user's night vision.
Head-mounted display. A head-mounted display ( HMD) is a display device, worn on the head or as part of a helmet (see helmet-mounted display for aviation applications), that has a small display optic in front of one ( monocular HMD) or each eye ( binocular HMD). HMDs have many uses including gaming, aviation, engineering, and medicine.
11th century Moravian nasal helmet, Vienna. One of the few remaining examples of such helmets. The nasal helmet was a type of combat helmet characterised by the possession of a projecting bar covering the nose and thus protecting the centre of the face; it was of Western European origins and was used from the late 9th century to at least c. 1250.
Diving mask. A diving mask (also half mask, dive mask or scuba mask) is an item of diving equipment that allows underwater divers, including scuba divers, free-divers, and snorkelers, to see clearly underwater. [ 1][ 2] Surface supplied divers usually use a full face mask or diving helmet, but in some systems the half mask may be used. [ 2]
Galea. (helmet) Modern reconstruction of a centurion's helmet, first century. The embossed eyebrows and the circular brass bosses are typical of the Imperial Gallic helmets. A galea ( [ˈɡaɫea], from Greek γαλέη, galéē, " weasel, marten ") [ 1] was a Roman soldier's helmet. Some gladiators, specifically myrmillones, also wore bronze ...
New Mexico’s attorney general is investigating Memorial Medical Center of Las Cruces to determine if the facility, highlighted in a recent NBC News report, violated state laws by turning away ...
In reality, caring for a tortoise can require a lot of space, time, and effort--even if the reptile is just a few inches long. Pet owner and animal advocate Chas regularly posts educational videos ...
The Advanced Crew Escape Suit ( ACES ), or "pumpkin suit", [ 2] is a full pressure suit that Space Shuttle crews began wearing after STS-65, for the ascent and entry portions of flight. The suit is a direct descendant of the U.S. Air Force high-altitude pressure suits worn by the two-man crews of the SR-71 Blackbird, pilots of the U-2 and X-15 ...