Thanks Russell (and others!) who post occasional OT topics with=20 thoughtful comments and a few links etc. They make a nice short=20 diversion during the unfortunate ~60 hour weeks I'll be working thru=20 january... mostly firmware development. The much more fun part of=20 hardware design is largely done. Frequent short breaks are important now. Cheers J RussellMc wrote: > Worth a look by any interested in "where we are going" overall wrt energy > and in related areas (ie most others). > > "Fracking"* is a contentious topic and I (very largely) avoid posts here = or > elsewhere which discuss the merits or otherwise of the process. > > (* Fracking =3D hydraulic fracturing of oil shale formations using > horizontal(ish) bores off vertical(ish) access bores to release > hydrocarbons (largely "natural gas") from structures which are not > economically using more conventional methods) --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .