More ideas from Lukas
Water heating costs can account for a large percentage of the energy demands of a home, but this heat exchanger for recovering waste heat from drain pipes may put a dent in that.

This morning I found an ingenious idea by RenewABILITY Energy, called Power-Pipe Drain Water Heat Recovery (DWHR). The name should say it all - it's a syst

Urban Tactical Casual Pants 2014 Mens Male Sports Pants Outdoor SWAT Force Training Trousers 97% cotton 3% Spandex YKK zipper-inPants from A...

Urban Tactical Casual Pants 2014 Mens Male Sports Pants Outdoor SWAT Force Training Trousers cotton Spandex YKK zipper-inPants from A.

DIY (Preppers) Survival Knife & Example Uses. (Dunway Enterprises) http://dunway.biz/survive_natural_calamity/index.html

Gerber LMF II Black Infantry Survival Knife One of the best budget survival knives. It's versatility and extra features make it an ideal knife to have while camping or backpacking in the backcountry

Big Drop Romance by Isaac Gautschi on 500px

We all have a fear of something and many of us have a fear of heights. Today we'll be looking at a series of death defying photographs taken from astonishing heights and beautiful places. Most people

There's a big world out there filled with islands just waiting for your arrival. We curated the 49 best islands across the globe that you absolutely must visit before you die. Time to get out the bucket list.

49 Islands You Must Visit Before You Die There's a big world out there filled with islands just waiting for your arrival. We curated the 49 best islands across the globe that you absolutely must visit before you die. Time to get out the bucket list.