I recently bought a Garmin eTrex Vista Cx and like every new toy, I’ve got to play with it until something breaks. Until then, I’ll squeeze in some useful work. Using Robogeo to geocode the location info onto my photos, … Continue reading
I first saw coin structures like the ones atcoinstacking.com a couple of years ago, but it’s still a fascination for me. Like an arch, these only things holding the structure together is gravity and friction. But unlike that most ancient … Continue reading
Link to original story A new type of cement mixes Titanium with the usual lime / alumina compound and heats it up to 1100 degrees Celsius. The resulting compound conducts electricity about as well as other metals at room temperature. … Continue reading