Sonar so und na vigation and r anging is a technique that uses sound propagation usually underwater, as in submarine navigation to navigate , communicate with or detect objects on or under the surface of the water, such as other vessels. Sonar may be used as a means of acoustic location and of measurement of the echo characteristics of "targets" in the water. Acoustic location in air was used before the introduction of radar. Sonar may also be used for robot navigation,  and SODAR an upward-looking in-air sonar is used for atmospheric investigations.
Wholesale Wild & Aquacultured Coral
Raising Coral Costa Rica – A human-coral symbiosis | Amigos of Costa Rica
The IANA is responsible for maintaining the official assignments of port numbers for specific uses. Similarly, many of the official assignments refer to protocols that were never or are no longer in common use. This article lists port numbers and their associated protocols that have experienced significant uptake. On Unix-like operating systems, a process must execute with superuser privileges to be able to bind a network socket to an IP address using one of the well-known ports. They are assigned by IANA for specific service upon application by a requesting entity. From Wikipedia, the free encyclopedia.
New approach for coral growth
The Florida Aquarium is a c 3 not-for-profit organization, publicly operated institution located in Tampa , Florida , United States. It is a large scale, ,square-foot 23, m 2 aquarium and is accredited by the Association of Zoos and Aquariums. This means they are a leader in conservation and education, supporting programs for wildlife and having a strong educational component in the forms of summer camps, school trips, etc. The facility is home to more than 7, aquatic plants and animals from Florida and all over the world.
More Information ». Verbenas are long blooming annual or perennial flowers that possess the virtues of heat tolerance and an extremely long bloom season. Many perennial verbenas are relatively short lived, but their vigor and heavy flowering make up for this defect. They do well grown as annual flowering plants also, since they bloom quickly during the first season after planting. Bedding type annual verbenas raised from seed do not do well in hot, humid climates, while most of the perennial or vegetatively propagated types are well adapted to growing in South Carolina heat and humidity.