LED headlights are all the rage in the auto industry these days and now are available on many lower-priced vehicles, though usually only on higher trim levels and often as optional equipment. LEDs ...

Surface volatiles—chemical substances that easily become gases or fluids at relatively low temperatures and pressures—are transported into Earth through subduction zones, with some being transported ...

LED headlights are becoming the standard in modern vehicles, offering better efficiency, longer lifespan, and sharper visibility than halogens. But not all upgrades are plug-and-play—beam patterns, ...

When it comes to energy-saving lightbulbs, LEDs and CFLs spring to mind. But what about halogen bulbs? They don't get much attention, partly because they've been around for a long time and they use a ...

I was looking at the periodic table of the elements the other day, as one does, when my eye fell upon the right-hand side of the chart. Right next to the noble gases at the extreme edge of the table ...

New research shows that using halogens -- a class of elements that include fluoride, bromine, chlorine and iodine -- in a dye-sensitized solar cell can increase conversion efficiency by 25 per cent.

The limited variation in the Br/Cl and I/Cl ratio of chondrites provides a firm reference composition, irrespective of the detail of the mix of primitive materials with chondrite-like composition or ...

As time wears on, it's becoming clear that the writing is on the wall when it comes to products and services that are destructive to the environment. It's taken a long time for governments to react, ...