The Backpack Almanac 
Note: This is not a sponsored post and there are plenty of other astronomical apps out there, this is just the one I have been using for a while and really...
I don’t own a telephoto lens because: They’re expensive I’m a klutz My backpack is heavy enough without a whole bunch of camera equipment in it Luckily for me there’s an...
WARNING: This is NOT a substitute for proper filtration. This method is to be used in conjunction with a water filter in cases where water sources have a lot of sediment or large...
The Backpack Almanac 