Fourier methods in crystallographyby G. N. Ramachandran and R. Srinivasan

Remembrances of Professor G . N . Ramachandran

Remembrances of Professor G . N . Ramachandran ( 1922 – 2001

Editor’s note: Few scientists contribute an idea of such clarity and power that it appears in all the discipline’s textbooks and bears the author’s name. For the contribution to be relevant and universally employed almost forty years after it first appeared is even less common. Structural biology lost the author of such an idea with the death of G.N. Ramachandran, whose picture appears on the c...

N Deu, M Srinivasan, P Srinivasan. Issues In Temperamental Unsuitability: Re-Examining Concepts And Current Practice In The British Army

Currently, in the UK military, and particularly in the Army, a significant number of personnel are regularly discharged on the grounds of being assessed as "Temperamentally Unsuitable (TU) for military duties", under Queen’s Regulations (QRs): (Army) 9.414 and 9.434 (1). In the last two years (2001-2003), preliminary figures suggest that approximately 700 serving personnel were recommended for ...

C E N T E R F O R R E S E a R C H I N L a N G U a G E

A 3-layer back propagation network is used to implement a pattern association task which learns mappings that are analogous to the present and past tense forms of English verbs, i.e., arbitrary, identity, vowel change, and suffixation mappings. The degree of correspondence between connectionist models of tasks of this type (Rumelhart & McClelland, 1986; 1987) and children’s acquisition of infle...

F I N K I N G F R a N K F U R T

1. Laertes is about to stab Hamlet. Claudius, watching from the wings, desperately wants Laertes to stab Hamlet and has implanted a device in Laertes’ brain that, if activated, will force him to stab Hamlet. Claudius intends to activate the device if it appears that Laertes will change his mind at the last moment. Laertes, however, stabs Hamlet of his own accord and Claudius’s device is never a...