About: http://webisa.webdatacommons.org/312188766

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	It seems to me the most efficient way to use a nuclear device would be to let it penetrate just a few meters, enough so most of its energy is used to push rock, rather than being dispersed into empty space.
http://www.w3.org/ns/prov#wasQuotedFrom	centauri-dreams.org