Random triples
| Subject | Object |
|---|---|
| gptkb:S-waves | gptkb:Earth's_outer_core |
| gptkb:Transverse_Wave | Gases (as bulk waves) |
| gptkb:Mechanical_Wave | gptkb:vacuum |
| gptkb:Shear_waves | gptkb:Earth's_outer_core |
| gptkb:The_Hounds_of_Tindalos | curves of time |
| gptkb:Sound_Wave | gptkb:vacuum |
| gptkb:Hounds_of_Tindalos | curves |