Who is the lead vocalist for the alternative rock band R.E.M. who has become well-known for the "mumbling" style of his early career and for his complex, surreal lyrics, and his social and political activism?
The ans is - Michael Stipe
A test developed in 1924 by R.L. Smith & G.E. Sandland at Vickers Ltd as an alternative to the Brinell method, is used to measure what?
