Archive for June, 2011

Sustainable Energy Choices

Wednesday, June 29th, 2011

Barry Brooks at 'BraveNewClimate' has made a brave effort at summing up the need for nuclear power as part of the CO2-free mix in a brief video, but parts of it still felt to me like “industry propaganda” – to the extent that I might be a bit embarrassed if anyone seeing my earlier references to […]

Citizen Surveillance

Thursday, June 23rd, 2011

I tend to agree with Stephen Downes that there is nothing wrong and much to be admired in the use of social media to record criminal acts and bring the perpetrators to justice. And I particularly object to Alexandra Samuel's apparent agreement with referring to those who do so as "douchebags". But the line between bringing […]

Twisted Language in Physics

Wednesday, June 22nd, 2011

From the discussion in Quantum Diaries, it seems that helicity is a property of motion and chirality a property of shape (where, in the case of an elementary particle, this might be represented by something like the shape of a level surface of its wave function). The language chosen by physicists is unfortunate as a helix […]