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Activity for Russell McMahon‭

Type On... Excerpt Status Date
Answer A: Suffocation while cooking under an umbrella?
CO2 is not a problem in cooking combustion quantities AND is significantly denser (so "heavier") than air. As fyrepenguin said "At STP, air is 1.29 g/L, while CO is 1.25 g/L.". Molecular weights per gram mol are CO 28 grams O2 32 grams N2 28 grams O2:N2 at 1:4 ratio 29.2 g. I'd exp...
(more)
about 5 years ago
Answer A: How can I store milk for long periods of time?
I was wondering if there is an option for keeping milk on a long term basis? Good: UHT milk Better: UHT milk PLUS special handling. UHT milk has been mentioned in a number of answers. It is an excellent solution but some extra precautions will produce even better results. When sealed UH...
(more)
about 5 years ago
Answer A: Are there any modern advantages of a fire piston?
would a fire piston have any advantages over the more modern ways of starting a fire such as matches or a lighter? Yes. There are many combinations of factors that affect the answer. In some situations a fire piston has an advantage. A fire piston is liable to be superior to matches when each n...
(more)
over 5 years ago
Answer A: I am lost, I found a trail, which way do I go?
Follow the ducks with ducklings. If there are no ducks travel downhill towards water until you find ducks with ducklings. Follow them downhill to water. Otherwise: If you have water and food and can light a fire, stay with the plane. They WILL be searching for you. Be in a position to signal th...
(more)
about 6 years ago
Answer A: How to react to a fox in furious phase (rabies)?
I am not a Rabies expert - but I have very slightly more 1st hand experience than most people. Some years ago I was bitten by a guard dog in China (we were playing). My hosts were aghast, for reasons that made no sense to me. They took me to hospital. It was only when I saw the Rabies medication that...
(more)
almost 9 years ago