Assertion: hydrogen's property | /r/HasProperty | useless
Facets:
value: for practical purposes
type: PURPOSE
Source sentences:
text: Calculations have also determined that this material might be a superconductor at room temperature, although this property would be somewhat useless for practical purposes, as the cost of compressing something to over a million atmospheres for an extended period of time is much greater than cooling something down to near absolute zero.