In about 30 days I will be travelling to US West coast – LA, SF, SD. Exciting stuff for a European entrepreneur, pilot and an air travel enthusiast. The part I am always looking forward to is reserving tickets for the flight. I like combining different routes (there is a lot air to cover between […] Continue reading → Having read David MacKay’s awesome book named “Sustainable energy – without the hot air” (available on his website as a pdf for free) and being a fan of quick math I decided to calculate how much would cost us, the human race, to build a project that would provide humanity with near zero cost renewable […] Continue reading → The other day I read an article about “Microsoft Surface sales numbers revealed as SHOCKINGLY HIDEOUS” which explained that Microsoft sold the Surface tablets for some $853 million in revenue while, at the same time they spent $1 bn in marketing! Ouch! While I could go about Microsoft trying to build things they don’t know […] Continue reading → The article was inspired by this thread on Quora and here is one of the clever answers given to kick it off. Refrigerators Fridges have had the same design since the 1940s. Cram all your perishable foods into a cold box and hope you remember to eat it before it gets furry. Energy Waste: 4th largest consumer […] Continue reading →