psidebot

6 ms·

1. 31.▲
   by psidebot 13y ago

   The operation of airfoils is non-intuitive and many (event most pilots) hold misconceptions about how they work. That does not mean that the physics is not well understood by those who design them. There maybe a few gaps (particularly for s
2. 32.▲
   by psidebot 13y ago

   For moist food at room temperature maybe, but a lot of healthy food resists spoiling by being stored dry or cold.
3. 33.▲
   by psidebot 14y ago

   "Grains produce more calories per acre than almost all other foodstuffs." - While this may be true, there are are a couple caveats. First, the per-acre yields for heritage varietals are much lower than those cited in the article, and I susp