Controlling electromagnetic radiation in a data center

1. A data center in which electromagnetic (‘EM’) radiation is controlled, the data center comprising:

a plurality of EM sections, wherein each EM section comprises an electrically conductive metal; and

an EM controller configured to carry out the steps of:

receiving a specification of preferred EM radiation characteristics for the data center; and

setting a state of each EM section in accordance with the specification by setting at least one EM section to reflect EM radiation including electrically decoupling the EM section to a ground reference voltage and setting at least one other EM section to absorb EM radiation including electrically coupling the EM section to a ground reference voltage, wherein the state of each EM section comprises one of: an absorption state in which the EM section absorbs EM radiation or a reflection state in which the EM section reflects EM radiation.

2. The data center of claim 1 , wherein the EM controller is further configured to carry out the step of repositioning one of the EM sections set in the reflection state including controlling a direction of EM radiation reflected by the EM section.

3. The data center of claim 1 , further comprising one or more walls, a ceiling, and a floor; wherein each wall comprises one or more EM sections, the ceiling comprises one or more EM sections, and the floor comprises one or more EM sections.

4. The data center of claim 1 , wherein at least a portion of the EM radiation controlled in the data center comprises wireless data communications.