Edison's Concrete Piano by Judy Wearing

Edison's Concrete Piano by Judy Wearing

Author:Judy Wearing
Language: eng
Format: epub
Publisher: ECW Press


1. The naked mole rat is one of two species of mole rat that have the distinction of being the only eusocial mammals known; their unique sociality, including the presence of a single reproductive “queen,” is explained as it is in social insects, by a high degree of interrelatedness. Within a naked mole rat colony, individuals can share 80 percent of their DNA.

HAVE ADEQUATE FUNDING

ELIHU THOMSON'S QUARTZ TELESCOPE MIRROR

1853–1937

This undated photograph shows Thomson with a fused quartz mirror. The caption on the back reads, “The mirror shown in photograph is 22” diameter. A 60” diameter mirror is now being completed. Subsequently a 200” diameter mirror is to be made.”



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