| The extraordinary airiness and weightlessness of traditional sculpture owes itself to the continuity and the smoothness of their surfaces. |
| Endless flights to test the effects of weightlessness on fruit flies left us cold and indifferent with few exceptions. |
| In the suborbital flight regime, weightlessness or microgravity is not a significant issue. |
| They are doing much to open the door to a new marketplace offering the experience of weightlessness and suborbital space flight to the public. |
| To simulate the effects of weightlessness, women must lie in beds tipped at an angle of six degrees. |
| Bed rest can closely imitate some of the detrimental effects of weightlessness on the body. |
