Posts by Chromatix
In the EU (including the UK), SMS to the general emergency number (112) appears to be widely supported technically, but several countries I checked appear to require pre-registration. It's not cle...
Most firearms regulations (and certainly best practices) require the firearm itself and its ammunition to be protected by separate, independent locks. Gun safes typically help you meet this requir...
Other answers have covered the local fauna pretty well, but what about flora? The only common venomous plant in the UK is the common stinging nettle, easily recognisable by its triangular, serrate...
About 12 years ago, I moved from Britain to Finland, just in time for one of the coldest Februaries on record for Helsinki. Most days were -20°C, with some at -25°C, once the moderating influence ...
Another answer describes a good method for triangulating a position from two or more viewpoints. This is a method you could use if you have only one viewpoint, but also have access to a topographi...
If you're in Britain, you can either provide GPS coordinates in latitude and longitude as normal, or an Ordnance Survey grid reference which is easily obtained from the maps normally used in Britai...
Although the question specified using no equipment beyond a standard mobile phone, I think it's worth pointing out that VHF and UHF radio signals can typically be heard over greater distances than ...
I'd like to illustrate this question with some detail on particular types of ship or boat. The classic image of the Age of Sail is a tall ship with three masts, each festooned with square sails ...
