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)	—	almost 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