Wood and Carbon Rods Used for This Handsome and Effective Microphone
Anyone who was active in the phreaking scene or was even the least bit curious about the phone system back in the Ma Bell days no doubt remembers the carbon capsule microphone in the mouthpiece of many...
View ArticleFuel From Water Using Only an Arc Welder
Water, high currents, blinding balls of plasma, and a highly flammable gas that’s toxic enough to kill you in three minutes if you breathe enough of it. What’s not to love about this plasma-powered...
View ArticleHow Graphene May Enable The Next Generations Of High-Density Hard Drives
After decades of improvements to hard disk drive (HDD) technology, manufacturers are now close to taking the next big leap that will boost storage density to new levels. Using laser-assisted writes,...
View ArticlePaperless RFID Tags Are Carbon-Based
RFID tags are great little pieces of technology, but unfortunately, the combination of paper, metal, and silicon means they are as bad as some modern pregnancy tests — single-use electronic devices...
View ArticleMining and Refining: Graphite
In my teenage years I worked for a couple of summers at a small amusement park as a ride operator. Looking back on it, the whole experience was a lot of fun, although with the minimum wage at $3.37 an...
View ArticleFeeding The Fire by Robot
It might seem a little bit counterintuitive, but one of the more carbon-neutral ways of heating one’s home is by burning wood. Since the carbon for the trees came out of the air a geologically...
View ArticleA Supercapacitor From Mushrooms
The supercapacitor is an extremely promising energy storage technology, and though they have yet to reach parity with the best batteries in terms of energy density, offers considerable promise for a...
View Article
More Pages to Explore .....