Usefull stuff

TwitterFacebook
Get flash to fully experience Pearltrees
http://www.treehugger.com/renewable-energy/hand-powered-log-splitter-a-safe-alternative-to-the-axe-video.html

Hand-Powered Log Splitter: A Safe Alternative to the Axe (Video)

From effective masonry heaters to beautiful Danish wood stoves , the Scandinavians know a thing or two about heating with wood. And as Collin stated in his post on wood stoves vs pellet stoves , with trees being a near carbon neutral source of energy, efficient wood burning could play a significant role in greening home heating. As someone who just spent way too much money on propane last winter, I am looking at buying a wood stove this year.

biking

http://www.wolframalpha.com/input/?i=biking&a=*C.biking-_*Formula.dflt-&a=*FS-_**Bicycling.d-.*Bicycling.t-.*Bicycling.v--&f3=30&x=0&y=0&f=Bicycling.t_30&f4=15mph&f=Bicycling.v_15mph&a=*FP.Bicycling.S-_Male&f6=180+lb&f=Bicycling.W_180+lb&a=*FVarOpt.1-_***Bicycling.v--.***Bicycling.p---.*--&a=*FVarOpt.2-_**-.***Bicycling.age-.*Bicycling.H--.**Bicycling.incline--.**Bicycling.ws-.*Bicycling.wd--.**Bicycling.HRResting---.**Bicycling.v--- Image Input X