DHMO can also be found in nuclear reactors. DHMO is considered so dangerous when used in nuclear power reactors, that in the United Kingdom they use CDO instead as a nuclear reactor coolant. Incorrect management of DHMO when used as a coolant led to the 3-mile Island and Chernobyl nuclear disasters. The greedy corporations use DHMO in nuclear reactors because it is much more profitable and cheaper to use rather than using safer technology.