the state of keeping a person or thing under water from sinking or floating, using weights or floats
Sentences:
The
Neutral Buoyancy Laboratory is a pool filled with over a million gallons of water.
Working in the
neutral buoyancy laboratory helps astronauts train for spacewalks.
More Information:
http://www.nasa.gov/audience/formedia/presskits/ffs_gallery_nbl.html
http://www.nasa.gov/images/content/64574main_ffs_gallery_nbl_image4.jpg
http://www.nasa.gov/audience/formedia/presskits/ffs_gallery_nbl_image2.html
http://www.nasa.gov/audience/formedia/presskits/ffs_gallery_nbl_image1_prt.htm