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2. Flameless candle - Wikipedia

   en.wikipedia.org/wiki/Flameless_candle

   Flameless candles display flickering light, simulating real flames. As a decorative element, the design of a flameless candle is relatively versatile. The body or "housing" of the device is commonly cylindrical, containing a battery pack and an often flame-shaped LED lamp atop the candle. Many manufactures use LED lights with a sporadic ...

3. SEAL Delivery Vehicle - Wikipedia

   en.wikipedia.org/wiki/SEAL_Delivery_Vehicle

   The SEAL Delivery Vehicle (SDV) is a crewed submersible and a type of swimmer delivery vehicle used to deliver United States Navy SEALs and their equipment for special operations missions. It is operated by SEAL Delivery Vehicle Teams.

4. Candle - Wikipedia

   en.wikipedia.org/wiki/Candle

   A candle in a candle stick Tapers (long thin candles) in a church A memorial candle (yahrtzeit candle) A candle is an ignitable wick embedded in wax, or another flammable solid substance such as tallow, that provides light, and in some cases, a fragrance. A candle can also provide heat or a method of keeping time. Candles have been used for ...

5. Flower-class corvette - Wikipedia

   en.wikipedia.org/wiki/Flower-class_corvette

   Acquired in 1982 by the Canadian Naval Corvette Trust and restored to 1944 configuration. Now a museum ship at the Maritime Museum of the Atlantic in Halifax, operated by the Canadian Naval Memorial Trust. Sackville is the last remaining Flower-class corvette. Saskatoon: Canadian Vickers Ltd., Montreal: 9 August 1940 7 November 1940 9 June 1941 ...

6. USS Nautilus (SSN-571) - Wikipedia

   en.wikipedia.org/wiki/USS_Nautilus_(SSN-571)

   Bettis Atomic Power Laboratory, operated by Westinghouse, developed the basic reactor plant design used in Nautilus after being given the assignment on 31 December 1947 to design a nuclear power plant for a submarine. [14] Nuclear power had a crucial advantage in submarine propulsion because it is a zero-emission process that consumes no air.

7. Proximity fuze - Wikipedia

   en.wikipedia.org/wiki/Proximity_fuze

   The idea of a proximity fuse had long been considered militarily useful. Several ideas had been considered, including optical systems that shone a light, sometimes infrared, and triggered when the reflection reached a certain threshold, various ground-triggered means using radio signals, and capacitive or inductive methods similar to a metal detector.