Archive for 2010

HOW NOT TO WRECK a nonstick pan.

This reminds me of the big nonstick cookware discussion from a while back. And I should note that I find these Cuisinart pans pretty durable. I’ve gotten several years out of this one. But I’ve got some old “Silverstone Supra” stuff that just keeps going despite all abuse — but it’s just a couple of little pots.

THEY TOLD ME IF I VOTED REPUBLICAN, BIG OIL COMPANIES WOULD GET SPECIAL TREATMENT. And they were right!

A federal board monitoring tests of an important piece of evidence from the Gulf of Mexico oil spill, the blowout preventer, demanded Thursday that the analysis stop, saying representatives of the companies that made and maintained the device have had preferential access to it. The United States Chemical Safety Board said in a letter to the Bureau of Ocean Energy Management, Regulation and Enforcement that the companies’ hands-on involvement in the analysis undermined its credibility.

Those people who told me what would happen if I voted Republican sure are right a lot. I guess I should have listened . . . .

“DEATH PANEL” UPDATE: Obama Returns to End-of-Life Plan That Caused Stir. “When a proposal to encourage end-of-life planning touched off a political storm over ‘death panels,’ Democrats dropped it from legislation to overhaul the health care system. But the Obama administration will achieve the same goal by regulation, starting Jan. 1.”

At my sister’s this morning.

A GRAPHENE NANO-CAPACITOR BREAKTHROUGH:

Building a test capacitor out of curved graphene sheets produced a device with an “specific energy density” of 85.6 Wh/kg (watt-hours per kilogram) at room temperature. A practical graphene battery would have a capacity of around 28 Wh/kg. Nickel-metal hydride (NiMH) batteries have an energy density of 40-100 Wh/kg, while lithium-ion batteries (used famously in PCs, cellphones, and MP3 players) top them both at 120 Wh/kg. But since NiMH or lithium batteries are often operated in the middle range of their discharge cycle, only 20 to 50% of their capacity is actually used. So a graphene capacitor “battery,” with the potential of being charged in seconds or minutes and which do not suffer from degradation upon recharging over possibly millions of cycles– they store energy electrostatically (by the accumulation of electrons) and not chemically – might become competitive for many applications.

Faster, please.