A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 7189681 | Superconducting material and method for producing the same For provides a superconducting material comprising highly chemically stable Fullerene carbon molecules having a relatively high transition temperature and high chemical stability, C20 Fullerene molecules having stronger electron-lattice interaction than t... | 03/13/2007 |
| 7118694 | Compositions containing silicates and ion-conducting films containing the same A mixture Ia which comprises a composition IIa consisting of a) 1 to 95% by weight of a solid III, preferably a basic solid III, having a primary particle size of 5 nm to 20 microns, and b) 5 to 99% by weight of a polymeric mass IV obtainab... | 10/10/2006 |
| 6126855 | Reaction products of lyotropic liquid crystal salt complexes The invention provides superior reaction products of copper, especially ultra-clean copper and polymeric chemical complexes. The polymers are unusual in that they provide polymeric systems of extensive conjugated double bond networks well suited for elect... | 10/03/2000 |
| 5504138 | Circuit board devices with superconducting bonds and lines Circuit board devices are provided based on use of high temperature superconducting ceramic polymers comprising high temperature superconducting ceramic powders distributed in electrically insulative organic polymers which are thermosetting by reaction of... | 04/02/1996 |
| 5457086 | Superconducting composite for magnetic bearings A composite includes granules of Type II superconducting material and granules of rare-earth permanent magnets that are distributed in a binder. The composite is a two-phase structure that combines the properties of the superconductor and magnets with the... | 10/10/1995 |
| 5177056 | Plastics composition containing superconductors Compositions of a) thermosetting plastics or thermoplastics, and a mixture of such plastics, and b) a superconducting compound having a transition temperature Tc of at least 20 K are suitable as moulding materials for the production of articles... | 01/05/1993 |
| 5051399 | Superconductive resin material A superconductive resin material comprising a resin matrix in which 70-90% by weight on the basis of the total composition of a superconductive compound metal oxide powder is homogeneously dispersed is disclosed.... | 09/24/1991 |
| 4954481 | Superconductor-polymer composites Superconductor-polymer composite materials comprise a matrix formed of a rmoplastic polymer and a superconductor powder dispersed in the matrix. The superconductor powder preferably has a composition RBa2 Cu3 O7-x wherein... | 09/04/1990 |