Isn't there a way to use the charge conductivity of water to send a signal--like "electrolysis radio"? Alternately it seems a constellation of cheap radio beacons / high powered IR reflectors, that can float to the surface at a constant rate in event of emergency. So you basically end up with a 2D surface trail of reflectors laid over time since the incident. That should be somewhat helpful to pin down a search area, I would imagine, without relying on a single one, or having a long spool line. But I don't know for sure, just spitballing. Those poor people :(
Are there patterns to your low energyness? I don't know your situation but some patterns I notice for me:
- low energy after consuming high-GI / high-sugar stuff: like soda
- low energy after too much caffeine
- low energy when feel overwhelmed / stressed / over-worked
Stuff I do to get back on track is basically:
- sitting in yoga position and doing breathing exercises and meditating
- lying down and doing part-by-part body relaxation (similar technique is progressive muscle relaxation)
Stuff that makes me feel energized:
- breathing exercise, something like Ujjayi Pranayama with box breathing. So breathe in for N, hold full for N, breath out for M (M >= N), hold empty for M. Repeat. Use as much of the Ujjayi technique as you like.
- squeeze your lower jaw gum using your thumb and forefinger below the canine tooth. This is some sort of meridian point that I find wake me up.
These are all good answers by the way thank you. Isn't there like an "emergency transponder beacon" or something (like aircraft have?) that ships and submersibles must have? Why can't this be used?
Hey, ha ha! I retired my graderjs account so I'll reply you with this one: yeah, definitely it's got to be testable! But you got to be open to it, you know?