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Article: ASK THE GLOBE
- Article from:
- The Boston Globe (Boston, MA)
- Article date:
- September 8, 1987
CopyrightCopyright 1987 The Boston Globe. Provided by ProQuest LLC. (Hide copyright information)
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Q. As kids we used to make what we called "depression
gardens." We started with a some pieces of coal, then added (I
think) bluing, ammonia and food coloring. A magic-formula garden
grew looking like small stalagmites. Can you find the formula for
me? -- N.D., Shelburne Falls
A. Boston's Museum of Science is one place to find out about
good stuff like that. Mark McCarthy of the museum's library had the
formula and method right at hand. You'll need noniodized salt,
liquid bluing, clear ammonia, water, food coloring or fabric dye, a
brick or piece of coal, an eye dropper, and a ...