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A computer system is described having a refrigeration cycle for a logic processor each utilizes first and second refrigeration cycles, each including a respective adsorber/desorber. Each adsorber/desorber is alternatingly cooled and heated. A liquid is adsorbed into the adsorber/desorber when being

A computer system is described having a refrigeration cycle for a logic processor each utilizes first and second refrigeration cycles, each including a respective adsorber/desorber. Each adsorber/desorber is alternatingly cooled and heated. A liquid is adsorbed into the adsorber/desorber when being cooled and desorbed when the adsorber/desorber is heated. When the liquid is desorbed from the adsorber/desorber, and a checkvalve is closed, a pressure of the liquid increases. The adsorber/desorber together with the checkvalve act as a compressor in the respective refrigeration cycle. Heating and cooling is alternated so that one adsorber/desorber always adsorbs liquid while the other adsorber/desorber desorbes liquid. Thermal swings of the logic processor are thereby avoided.

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A computer system is described having a refrigeration cycle for a logic processor each utilizes first and second refrigeration cycles, each including a respective adsorber/desorber. Each adsorber/desorber is alternatingly cooled and heated. A liquid is adsorbed into the adsorber/desorber when being

A computer system is described having a refrigeration cycle for a logic processor each utilizes first and second refrigeration cycles, each including a respective adsorber/desorber. Each adsorber/desorber is alternatingly cooled and heated. A liquid is adsorbed into the adsorber/desorber when being cooled and desorbed when the adsorber/desorber is heated. When the liquid is desorbed from the adsorber/desorber, and a checkvalve is closed, a pressure of the liquid increases. The adsorber/desorber together with the checkvalve act as a compressor in the respective refrigeration cycle. Heating and cooling is alternated so that one adsorber/desorber always adsorbs liquid while the other adsorber/desorber desorbes liquid. Thermal swings of the logic processor are thereby avoided. 10. A method of expanding a gas, said method comprising: applying a clamping force between a piston slidably disposed in a housing and a first end of said housing, said housing defining an enclosed work space and said housing comprising a first end having at least one inlet and at least one outlet and a second end having at least one inlet and at least one outlet, wherein said piston moves toward said first end but does not contact said first end; allowing a working fluid to enter the space between said first end of said housing and said piston; reducing the clamping force between said piston and said first end, wherein said working fluid is isentropically expanded and said piston moves away from said first end and toward said second end; applying a clamping force between said piston and said second end of said housing, wherein said piston moves toward said second end but does not contact said second end; allowing a working fluid to enter the space between said second end of said housing and said piston; reducing the clamping force between said piston and said second end, wherein said working fluid is isentropically expanded and said piston moves away from said second end and toward said first end. 11. A method of generating power comprising: placing a combustible substance in the first end of a housing having a first end and a second end and a piston slidably disposed in said housing for reciprocating motion to define a variable volume within said housing, said piston having a first side in connection with said first end of said housing and forming a first capacitor and a second side in connection with said second end of said housing and forming a second capacitor, said connection selected from the group consisting of: electrostatic and magnetic; energizing said piston by applying a force to said piston so that said piston is moved toward said first end; igniting said combustible substance, thereby increasing the temperature and pressure in said first end; reducing the force on said piston; allowing said combustible substance to expand against said piston, thereby generating power. 12. The method of claim 11, further comprising transferring said power through a circuit. 13. The method of claim 11, further comprising: placing a combustible substance in the second end of said housing; energizing said piston by applying a force to said piston so that said piston moves toward said second end; igniting said combustible substance, thereby increasing the temperature and pressure in said second end; reducing the force on said piston; allowing said combustible substance to expand against said piston, thereby generating power. 14. The method of claim 11, further comprising: transferring said power from said housing through a circuit. 15. A method of generating power comprising: applying a clamping voltage between the first end of a housing and a piston slidably disposed in said housing and in electrical or magnetic connection with first end of said housing; admitting heated gas or fluid into the first end of a housing; reducing the clamping force on said piston; allowing said piston to expand away from said first end, thereby generating power. 16. The method of claim 15, further comprising: transferring said power from said housing through a circuit. 17. A method of pumping a substance comprising: placing a compressible substance in the first end of a housing having a first end having at least one inlet and at least one outlet, a second end having at least one inlet and at least one outlet, a piston slidably disposed in the housing between said first end and said second end for reciprocating motion to define a variable volume within said housing, said piston having a first side in electrostatic or magnetic connection with said first end of said housing and forming a first capacitor, said piston having a second side in electrostatic connection with said second end of said housing and formi ng a second capacitor; energizing said piston by applying a force to said piston so that the piston moves toward said first end, whereby the temperature and pressure of the compressible substance are increased; removing said compressible substance from the first end of said housing. 18. The method of claim 17, further comprising placing a compressible substance in the second end of said housing, energizing said piston by applying a force to said piston so that the piston moves toward said second end, whereby the temperature and pressure of the compressible substance are increased; removing said compressible substance from the second end of said housing. 19. A cooling system comprising: a cooler in thermal connection with an object to be cooled; a compressor comprising a housing having a first end having at least one inlet and at least one outlet, a second end having at least one inlet and at least one outlet, a piston slidably disposed in the housing between said first end and said second end for reciprocating motion to define a variable volume within said housing, said piston having a first side in connection with said first end of said housing and forming a first capacitor, said connection selected from the group consisting of: electrostatic and magnetic, said piston having a second side in electrostatic connection with said second end of said housing and forming a second capacitor; and means for providing control to said device, said compressor in fluid or gas connection with said cooler; a heat exchanger in fluid or gas connection with said compressor and said cooler. 20. A cooling system comprising: a precooler; a compressor in fluid connection with said precooler; a first heat exchanger in fluid connection with said compressor; an expander in fluid or gas connection with said first heat exchanger, said expander comprising a first end having at least one inlet and at least one outlet, a second end having at least one inlet and at least one outlet, a piston slidably disposed in the housing between said first end and said second end for reciprocating motion to define a variable volume within said housing, said piston having a first side in connection with said first end of said housing and forming a first capacitor, said connection selected from the group consisting of: electrostatic and magnetic, said piston having a second side in electrostatic connection with said second end of said housing and forming a second capacitor; a second heat exchanger in fluid or gas connection with said expander; control electronics which are in electrical connection with said expander and said compressor. 21. The cooling system of claim 20, which provides cooling at 150K or below. 22. The cooling system of claim 20, which provides cooling at 70K or below. 23. The cooling system of claim 20, which provides cooling at 45K or below. 24. The cooling system of claim 20, which provides cooling at 35K or below. 25. The cooling system of claim 20, which provides cooling at 10K or below. 26. A cooling system comprising: a precooler; a compressor in fluid connection with said precooler; a first heat exchanger in fluid connection with said compressor; an expander in fluid connection with said first heat exchanger, said expander comprising: a first end having at least one inlet and at least one outlet; a second end having at least one inlet and at least one outlet; a piston slidably disposed in the housing between said first end and said second end for reciprocating motion to define a variable volume within said housing, said piston having a first side in connection with said first end of said housing and forming a first capacitor, said connection selected from the group consisting of: electrostatic and magnetic, said piston having a second side in electrostatic connection with said second end of said housing and forming a second capacitor, said expander in fluid connection with said cooler; a second heat exchanger in