There is a dynamic sector in recycling caoutchuc: rough terrain soil, various products. I saw yesterday in DIY store, a plate 500x500 mm, and Match of colors, to put under the lava linens.

At the beginning of his presentation, I saw a video of the inventor presenting it in thermal engine configuration, it seems to me, once again used by a chainsaw. They have a hard time against trees in Canada, you have to believe. A Quebecois told me that they have to go and cut the trees ...

I thought the topic was about building a wind turbine.

Let EDF build the two English EPRs, and we will see what goes wrong with this public company. The jewels, the nuggets, I am always impressed by these dithyrambic qualifiers of companies that nobody wants, let alone their debts. Thank you to the French who will pay in the end. & quo ...

Enough energy to light a cigarette !!

This principle of compression is used in pumps, such as automotive oil pumps. We should know the energy yield, since there is a heat input. The closest and which works, it is the rotary engine, a combustion engine with gasoline injection, very known, or the ...

Project straight out of the Arel kitchen !!! Do not go to his site because there is the message: "BACK SOON! WILL BE BACK SOON!" (we have a banquet to prepare). He may be a good cook. On the photo, on the left, an attempt to set in motion an axis carrying a weight on a levie ...

Simplistic representation for 2,3 and 5. Please specify. The relative positions of the small end of the flywheel are very important for this engine to run, which is taken lightly here. It lacks the variant of two pistons on the same axis, which seems the most economical to achieve.