‘The Ineffectual Angel’: Arnold's Misrepresentation of Shelley

The misunderstood consequences of Shelley v. Kraemer.

Shelley v. Kraemer (1948) was a landmark civil rights ruling, in which the Supreme Court held that private racial covenants could not be enforced by the state to evict black buyers of "restricted" homes. Fair housing scholars have generally dismissed or downplayed the practical effects of Shelley, since other forms of housing discrimination remained very powerful. Using spatial lag models and d...

Exploiting Large Ineffectual Instruction Sequences

A processor executes the full dynamic instruction stream in order to compute the final output of a program, yet we observe equivalent, smaller instruction streams that produce the same correct output. Based on this observation, we attempt to identify large, dynamically-contiguous regions of instructions that are ineffectual as a whole: they either contain no writes, writes that are never refere...

The Angel wins

The angel-devil game is played on an infinite two-dimensional “chessboard” Z. The squares of the board are all white at the beginning. The players called angel and devil take turns in their steps. When it is the devil’s turn, he can turn a square black. The angel always stays on a white square, and when it is her turn she can fly at a distance of at most J steps (each of which can be horizontal...

The Guardian Angel of CPR

Medicine and the media--misrepresentation of interview.

Sir, In your new feature 'Medicine and the Media' (8th July, p. 121) you mention my contribution to what you considered a muddled feature on the hazards of jogging in Tonight (BBC 1, 28 June). Perhaps the inside story may be of help to some of your readers as an example of what happens to the naive clinician when faced with the media. I am tending now very strongly to the view that the producer...