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2. Window blind - Wikipedia

   en.wikipedia.org/wiki/Window_blind

   Various window blind styles. A window blind is a type of window covering. [1] There are many different kinds of window blinds which use a variety of control systems. A typical window blind is made up of several long horizontal or vertical slats of various types of hard material, including wood, plastic or metal which are held together by cords that run through the blind slats.

3. Mini blind - Wikipedia

   en.wikipedia.org/wiki/Mini_blind

   The slats of a mini blind. A mini blind is a type of horizontal window blind made of long, narrow slats held together by string. Its slats are less than half the width of a regular venetian blind, and are often made of aluminium, measuring 15 millimetres (0.59 in) or 25 millimetres (0.98 in).

4. Rockwell XFV-12 - Wikipedia

   en.wikipedia.org/wiki/Rockwell_XFV-12

   The Rockwell XFV-12 was a prototype supersonic United States Navy fighter which was built in 1977. The XFV-12 design attempted to combine the Mach 2 speed and AIM-7 Sparrow armament of the McDonnell Douglas F-4 Phantom II in a VTOL (vertical takeoff and landing) fighter for the small Sea Control Ship which was under study at the time.

5. Ryan X-13 Vertijet - Wikipedia

   en.wikipedia.org/wiki/Ryan_X-13_Vertijet

   The Ryan X-13 Vertijet (company designation Model 69) is an experimental tail-sitting vertical take-off and landing (VTOL) jet aircraft built by Ryan Aeronautical and flown in the United States in the 1950s. The main objective of the project was to demonstrate the ability of a pure jet to vertically take off, hover, transition to horizontal ...

6. Beam diameter - Wikipedia

   en.wikipedia.org/wiki/Beam_diameter

   The 1/e 2 width is equal to the distance between the two points on the marginal distribution that are 1/e 2 = 0.135 times the maximum value. In many cases, it makes more sense to take the distance between points where the intensity falls to 1/e 2 = 0.135 times the maximum value.

7. Arleigh Burke-class destroyer - Wikipedia

   en.wikipedia.org/wiki/Arleigh_Burke-class_destroyer

   HELIOS is a "60+ kW"-class laser, scalable to 120 kW, that can "dazzle" or destroy small boats and UAVs up to 8.0 km (5 mi) away. [ 109 ] [ 110 ] It would be the first laser weapon put on a warship. [ 111 ] [ 112 ] In November 2019, USS Dewey (DDG-105) had the Optical Dazzling Interdictor, Navy (ODIN) system installed.