Tagged: lighting

Bright city lights are keeping ocean predators awake and hungry - Guest Work

Guest Author Nov 27, 2016

By Damon Bolton, UNSW Australia; Alistair Becker; Emma Johnston, UNSW Australia; Graeme Clark, UNSW Australia; Katherine Dafforn, UNSW Australia, and Mariana Mayer-Pinto, UNSW Australia Light pollution is changing the day-night cycle of some fish, dramatically affecting their feeding behaviour, according to our recently published study. In one of the … Read More

In defence of banning the bulb - Hot Topic

Bryan Walker Sep 09, 2012

I see Canterbury University economist Eric Crampton politely disagrees with my post on the failure to ban incandescent light bulbs. I’d like to comment on a couple of the points he raises. The first concerns the non-priced carbon embodied in the production and distribution of fluorescent and LED bulbs, and the possibility that it may [...] … Read More

Low hanging fruit and lost opportunity - Hot Topic

Bryan Walker Sep 03, 2012

I hope the New Zealand Government feels shamed by the news that incandescent light bulbs can no longer be sold in Europe. It could have been so here but following the 2008 election, proclaiming the sanctity of consumer choice, one of the early actions of the then Minister of Energy Gerry Brownlee was to reverse [...] … Read More

Illuminating communication - Ariadne

Robert Hickson Sep 30, 2011

Wired Magazine recently featured the new big thing in the lighting world – Light Emitting Diodes. But wait, there’s more. Harald Haas is developing LEDs that can transmit data, so wherever there is a light you could get high speed wireless data. He suggests that this will dramatically improve capacity, efficiency, availability and security of  data transmission. As … Read More

Low hanging fruit: efficient lighting - Hot Topic

Bryan Walker May 29, 2011

It was good to see Michael Downie, the general manager of Phillips Lighting, writing in the Herald this week in praise of energy-efficient light bulbs in the context of tackling climate change. “The case for change is clear. Globally, lighting uses 20 per cent of all electricity. And two-thirds of lighting installed is based on [...] … Read More