convertkilogram.com

Metal Fuel 
Cheap and constant availability of fuel is a major concern of present day civilization. Different efforts are being directed in this direction with a rising concern about environmental degradation also.

Kitco - Commentaries 
A lot of worried people (”I’m worried that gold and silver are not exploding to the upside even as we speak and that I won’t be rich soon enough to suit me!”) and a lot of angry people (”And I blame it all on you, you Stupid Mogambo Moron (SMM) and now I’m going to kill you!”) are asking, in essence, “Why aren’t precious metals moving up lately?”

Digital audio for digital TVs: An interview with D2Audio CEO Brian Wong 
Anyone who has ever shopped for home stereo equipment can be easily forgiven for mistakenly believing that audio amplifiers are priced by the kilogram, as it seems the further upscale one looks, the bigger and heftier the devices become. This is due to analog amplifiers being very inefficient and needing increasingly larger power supplies and heat sinks to increase their power output.