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Activity for Les‭

Type On... Excerpt Status Date
Answer A: How long does water need to be boiled for to kill all bacteria / viruses?
The adequate minimum is 1-2 minutes (100C water at the sea level). Mind the altitude. To kill bacteria you need a combination of temperature and time. At some altitudes (miles), without a pressurizer, you just can't kill some resilient strains in a reasonable time (low boiling temperature). Use other...
(more)
almost 5 years ago
Answer A: What are the pro and cons of vacuum sealed vs mylar bags for DIY dehydrated foods?
Mylar bags vs. Vacuum sealed. Pro. durability (in general, it depends; thickness is varying); you can pour inside boiled water without additional wares; more thermal isolation and great sun protection; can preserve wet and/or warm food; exists solutions for vacuuming, strong sealing, etc.; ...
(more)
about 8 years ago
Answer A: Is a compound and cross bow really not "qualitative" shooting?
So, is "quality shooting" an official term to describe a bunch of disciplines (like traditional archery etc.)? No, de facto, I'd never met such interpretation even unofficially. Is it really true that we call these kinds of archery "quality shooting" or did they want to make a joke (mo...
(more)
about 8 years ago
Answer A: Swimming while in the high seas
This isn't perfectly safe to swim in open-sea and should be organized. Some dangers - currents, stiffed legs, sea creatures, almost as on the beach and a wild beach could be really unsafe. The main countermeasures are - Still water and weather forecast, off course. Shark or other problems proof ...
(more)
over 8 years ago
Answer A: Carrying soda instead of water due to nutritional energy?
I'll be brief. 100 grams of sugar and 900g of water when mixed still 100g of sugar plus 900g of water, not a miracle of 100g sugar and 1000g water concoction. Mass preserving law, considering almost no nuclear or chemical reaction inside your Cola (I'm not so sure about this hell mixture). So, if...
(more)
over 8 years ago