Skip to main content
92 votes
Accepted

Jumping off of a cliff into water - survival tips

There's an abandoned quarry near me where local kids used to jump off the topmost cliff edge, 100 feet up, every summer. When done properly it is survivable without injury. You have to break the ...
Medievalist's user avatar
44 votes
Accepted

How do people drown while wearing a life jacket?

Life jackets do not make one drownproof, just increase your odds significantly. Our data also show that over 80% of drowning victims were NOT wearing life jackets when found. We know from other ...
Charlie Brumbaugh's user avatar
41 votes

How do people drown while wearing a life jacket?

In the specific case you mention, both the NY Post and Deutsche Welle say that the cause of death is still being investigated, and both of them point out the low water temperature (the victims were ...
Pont's user avatar
  • 3,752
37 votes
Accepted

How to transport personal belongings while swimming long distance?

There are these types of dry-bags that float and are combined with a leash and waist band. They are often marketed as primarely a "safety buoy", as they provide you with visibility, which is ...
imsodin's user avatar
  • 21.7k
37 votes
Accepted

Ways to desalinate water when "lost at sea"?

Salt dissolves in water so will pass though a normal filter or cloth. You can try that with a coffee filter at home. So there's definitely an error in the article. A still (i.e. distillation ...
Chris H's user avatar
  • 26.5k
37 votes

Ways to desalinate water when "lost at sea"?

You can place an empty cup in the middle of a lightly filled bucket of sea water. You then place a plastic bag over the bucket, with a stone in the middle so it has a dip in it over the cup. The sea ...
Robin's user avatar
  • 471
30 votes
Accepted

Surfacing out of a sunken ship/submarine - Survival Tips

Even though the question describes a hypothetical and unlikely situation I think it has some merits as it is somewhat relevant for SCUBA diving also: it describes an emergency uncontrolled SCUBA ...
fgysin's user avatar
  • 13k
24 votes

Surfacing out of a sunken ship/submarine - Survival Tips

First and foremost: Don't Panic At 30m, you'll be fine if you can free yourself within about 20 minutes and know what you're doing. That being said, there is a good chance you won't know your exact ...
TemporalWolf's user avatar
23 votes
Accepted

Can I get fresh water from ocean fish flesh?

Let's say you lose 2 liters of water per day. To replace 2 liters of water by eating fish, you need to eat, for example, 2,500 g of cooked Pacific cod, which, besides water, also contains 500 g of ...
Jan's user avatar
  • 1,329
23 votes

Jumping off of a cliff into water - survival tips

Feet first is always best - you might break your legs if you hit the bottom, but at least you won't break your back, neck, or be knocked unconscious - all of which can kill you, either through the ...
bob1's user avatar
  • 10.6k
20 votes

How to keep paper from being damaged by water in the outdoors?

At the risk of stating the obvious... ... just not letting your paper get wet in the first place is by far the easiest and cheapest solution. How you might ask? These solutions worked well for me in ...
fgysin's user avatar
  • 13k
20 votes

Had to drink untreated water: Any immediate action to avoid getting sick?

The best thing you can do to both ward off illness, and catch any illness so it can be treated early, is to schedule an appointment with your doctor, soon. When you request the appointment, make sure ...
csk's user avatar
  • 4,364
19 votes

How do people drown while wearing a life jacket?

PFDs come in various flavours: The best ones have sufficient floatation around the neck, and enough more flotation on the front compared to the back, than an unconscious victim is naturally rotated ...
Sherwood Botsford's user avatar
18 votes

Hanging water bags for bathing without tree damage

Instead of using the branch as a pulley, lift the bag into position with one hand while pulling the slack out of the rope with the other. If the bag is too heavy to lift over your head with one hand, ...
csk's user avatar
  • 4,364
17 votes

How to keep paper from being damaged by water in the outdoors?

The solution to this problem is waterproof paper. You can get it in notebooks, journals, legal sized for printing maps or documents etc. I have also seen at least one organization that had their ...
Charlie Brumbaugh's user avatar
16 votes

Jumping off of a cliff into water - survival tips

Well, first thing first, 100' (30 metre) is likely not to end well for you. So really the question stops being valid way before that. Second, if you've ever spent anytime diving and had the pleasure ...
Italian Philosophers 4 Monica's user avatar
14 votes

Hanging water bags for bathing without tree damage

Using anatolyg's idea of the carabiner, I think this will work. Thank you Anatolyg!
Bookaholic's user avatar
13 votes

How to transport personal belongings while swimming long distance?

Until you got to "shorts and T shirt" I'd have said a waterproof belt bag. I've used them kayaking (on the rare occasions when it's warm enough to go without a drysuit or at least dry-cag in the UK) ...
Chris H's user avatar
  • 26.5k
13 votes

Does adding new water to disinfected water clean that one as well?

Generally no, it doesn't. Chemical disinfection requires a certain concentration of the active chemical, and by diluting it you've got a weaker solution. This is like using a tablet for more water ...
Chris H's user avatar
  • 26.5k
12 votes
Accepted

Hanging water bags for bathing without tree damage

Make a figure-8-on-a-bight knot on the center of your rope; clip a carabiner into the knot. Clip the center of a second rope into the carabiner. Toss your first rope over the tree branch using the ...
anatolyg's user avatar
  • 4,553
10 votes

Ways to desalinate water when "lost at sea"?

Disclaimer: This is not safe. This is not well tested. This belongs here, not on the other question. This is weak evidence in collaboration for the drinking seawater claim. On request by Seth ...
Joshua's user avatar
  • 613
9 votes

Surfacing out of a sunken ship/submarine - Survival Tips

Escaping a sunken ship or submarine has some similarities to an emergency ascent in the course of SCUBA diving, but it's not identical to it. First the differences: You don't have fins. Without ...
Therac's user avatar
  • 191
8 votes

Titanic survival, ice cold water?

The US Coast Guard has done a number of studies too try and predict this and it looks like survival times can are highly dependent on the person and what they are wearing when all of the other factors ...
Charlie Brumbaugh's user avatar
8 votes
Accepted

What is the minimum amount of water per day to survive?

According to NAP.edu, the minimal (obligatory) daily water loss for an adult is at least 1 liter (~1 quart), which includes losses by the urine, feces, insensible perspiration and breathing (but not ...
Jan's user avatar
  • 1,329
8 votes

How to keep paper from being damaged by water in the outdoors?

One option is to laminate your paper. Normal lamination pouches aren't ideal. You need special pens for them, and they always fail at some point (usually when you need them). There are matte ...
imsodin's user avatar
  • 21.7k
8 votes

How can divers be sure that there are no sharks or other lethal water animals where they dive?

People have varying levels of shark awareness, anxiety and tolerance. To start with, you're really quite unlikely to get eaten by a shark. Much more likely to drown for some reason. A big part of ...
Italian Philosophers 4 Monica's user avatar
8 votes

Drinking very cold water in cold weather at what temperatures is it dangerous?

As others commented, it depends. But unless you are at camp 4 on Everest or in a similar extreme situation, it won't actually matter much. If you do the math or let online calculators do it for you (i....
Max's user avatar
  • 1,067
7 votes

Where can I find public water tap for cleaning/bathing in the Netherlands?

There is a website which has a map listing all public fountains, some examples of how the fountains look can be found here. But most Dutch people tend to be friendly, so if you ask them if you can "...
Bart's user avatar
  • 280
7 votes

What is the expected flowrate of a bucket brigade?

From what we know of back when a bucket brigades were the fire fighting method of choice, Before the mid-1800s, the most common way of fighting fires in the nations cities and towns was the bucket ...
Charlie Brumbaugh's user avatar

Only top scored, non community-wiki answers of a minimum length are eligible