Wednesday, January 19, 2011

Re: battery-less hybrids

I like it!

Sent from my iPhone

On Jan 19, 2011, at 1:01 PM, larry.r.trout  wrote:

'When a driver is approaching a stop sign, some of the braking energy pumps fluid into the tank. When it's time to go again, the vehicle's gasoline engine shuts off completely and the pressure in the tank is released to drive. When it's needed, the gas engine takes over again.

The system increases fuel efficiency by about 30% to 35% in overall driving and up to 60% in city driving, according to the EPA.

0:00 /2:43The future inside your car

Among the benefits of the system, according to the EPA, is its low cost and simplicity. Once produced in high volumes, the system will pay for itself through fuel savings in less than three years, the EPA predicts. Battery-electric hybrid cars typically take much longer.'

Woolly Mammoth Could Walk the Earth Again in 4 Years

Breakthrough in converting heat waste to electricity: Automotive, chemical, brick and glass industries could benefit from discovery

Monday, January 3, 2011

Alpha particle

"Most smoke detectors contain a small amount of the alpha emitter americium-241. The alpha particles ionize air between a small gap. A small current is passed through that ionized air. Smoke particles from fire that enter the air gap reduce the current flow, sounding the alarm. The isotope is extremely dangerous if inhaled or ingested, but the danger is minimal if the source is kept sealed. Many municipalities have established programs to collect and dispose of old smoke detectors, to keep them out of the general waste stream."