Tsunamis are giant waves caused by earthquakes or volcanic eruptions under the sea. Out in the depths of the ocean, tsunami waves do not dramatically increase in height. But as the waves travel inland, they build up to higher and higher heights as the depth of the ocean decreases.
4DX is a motion picture technology owned and developed by South Korean company CJ 4DPLEX, a part of the CJ Group. 4DX allows a motion picture presentation to be augmented with environmental effects such as seat motion, wind, rain, fog, lights, and scents along with the standard video and audio.
Best Answer: 4x means it magnifies things 4 times 4x is a common choice, it is a good comprimise between wide field of view and good magnification. 6x is also quite common. another thing to look for is 2-7x or 3-9x or 4-12x etc these are variable scopes, you can have a 2-7x at 2x or 3x or 4x or 5x or 6x or 7x.2 means the diameter of the scope tube. Wider tubes gather more light, but this is mostly important for bigger magnifications. 4x32 is a common setup for a 22 rifle scope 3-9x40 is a common deer hunting scope.