Pass The Sirop de Poteau

Being born and raised in Quebec meant always having an abundant supply of maple syrup on the table. I hadn't tasted imitation "sirop de poteau" (syrup from telephone polls) , as it's called  in Quebec until I was a young adult traveling abroad.

It was always taken for granted, yet if we continue warming the planet at today's rate, most sugar maples will be gone by 2100.

In fact, Martha Carlson of Range Veiw Farms breaks down the way sweetness in maple sap has already begun to decline (along with a 2.8-degree-F rise in temperature since 1970); today's maple sap has gone from 3.5 percent sugar to just 2 percent sugar in the last 40 years.



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This report describes a comprehensive laboratory and field evaluation intended to determine the performance of CDS (Condensed Distillers Soluble) in particular and with chloride salt co-products on ice control operations. The study shows when mixed with co-products, CDS is effective for ice control operations, able to melt ice faster and at lower temperatures than traditional ice control agents, with little or no adverse effects on infrastructure or the environment.

DIY Solar Bag

Solar Bag recharges anything that can connect to a USB port. Solar energy is collected and stored in the battery pack while not in use. I use it to keep my power hungry cell phone and ipod running all day or in an emergency. You can buy these online for a few hundred bucks, but this one cost about $100 if you DIY.


The solar bag consists of a flexible solar panel, rechargeable Ni-MH batteries, and a few electronic components to tie it together.

The solar panel is a PowerFilm P7.5-150 producing 7.2V and 200ma in ideal conditions, more than enough to charge three nickel cadmium batteries.

Two circuits are used in this design. The first circuit employs a MAX639 step-down switching regulator to transfer all of the solar panels energy to the batteries as efficiently as possible. The second circuit uses a LT1302
Micropower High Output Current Step-Up DC/DC Converter to provide the necessary USB 2.0 power requirements. Both of these integrated chips are free from the manufacturer when you sign up on their websites.

All of the circuitry can be placed on a project board and fits into a small space. I found some garden solar lights on liquidation at Wallmart and it was easy to remove the existing circuit and incorporate my board into the design which evidently gave me a second solar panel which I can take out and place in a window when I'm indoors. With a full day of sunlight, enough energy is stored in the batteries to completely recharge my power hungry cell phone and ipod and I feel good about using renewable energy whenever I can.