Making “Silver” and “Gold” Pennies

Making “Silver” and “Gold” Pennies

We did this in High School – turning copper/zinc pennies into “gold” and “silver” pennies using zinc powder and sodium hydroxide.  So much fun!  Makes me want to immediately expose my children to the joy and dangers of the chemical sciences.  They need to hurry up the...
Baking Bread in 5 Minutes?

Baking Bread in 5 Minutes?

  A long while back I tried to make some bread.  My first attempts were pretty good.  I even made my own sourdough starter, and was pretty successful.  For a week or two. But it was all hard work, and it was hard to fit the timing and needs of the bread into my...
Choosing a Notebook

Choosing a Notebook

Does it matter what kind of notebook you use for your field journal?  Probably not, although there are features of some certain journals that are probably better for some uses than other journals would be.  My very first field journal was given to me by my...
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