Osram Opto has cut led light output droop by optimising its epitaxial processes. At a current density of 3A/mm², quantum efficiency of the has been increased 7.5%. Under laboratory conditions and driven at 3A/mm2, 740 lm typical luminous flux was produced from QFN LED package (6,200K, Cx 0.319, Cy 0.323, single-chip LDxyz). At low current densities …
Graphene-based sensor could detect sick buildings
Researchers at the University of Southampton claim to have developed a graphene-based sensor that can detect harmful air pollution in the home with very low power consumption. The sensor, which is the result of a collaboration with the Japan Advanced Institute of Science and Technology (JAIST), detects individual CO2 molecules and volatile organic compound (VOC) …
Osram adds build-your-own applications for Lightify smart bulbs
Open APIs allow home users to tailor LED lights to respond to any cue. The APIs come with instructions to maximize the capabilities of the smart bulbs.
Site for two sewage and storm water retention tanks in NY proposed by EPA
The two sewage and stormwater retention tanks are included as part of the cleanup for the Gowanus Canal Superfund Site.
POLL: Californians committed to water conservation
The poll was conducted among a statewide random sample of 800 registered voters.
ACWA statement on poll showing Californians committed to water conservation
ACWA applauds Save Our Water and the many local water agencies that have worked diligently to educate and motivate Californians to use water resources wisely.
Water professionals urge Congress to spur water infrastructure renewal
The water utility leaders were in Washington as delegates of the Water Matters! Fly-In, an annual event hosted by the American Water Works Association.
Fourth desalination plant tender opens in Singapore
Singapore utility PUB is adding to its desalination supply after calling for a tender to build a fourth project at Marina East…
From Lego to pumps: how CEO Mads Nipper turned around Grundfos
Grundfos CEO Mads Nipper explains how the company turned around its financials…
What is the Monarch butterfly thing?
I heard about monarch butterflies on the radio this morning, and thought I would have a quick look at the paper to see what is going on. It transpires that the new bit is a straight-forward neural algorithm that takes two bits of information the butterfly already has – circadian time, and how far the sun …