Blueberry syrup, sodium alginate and calcium chloride is all you need to make these spheres that look a little like caviar.
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I grew up on the coast of California, and I loved to surf. At my favorite break, Pleasure Point, the best waves were often at low tide, but low tide also meant seaweed. Lots of seaweed.
Alginic acid is a simple polysaccharide. What makes it neat is that it will form gels in the presence of divalent cations (e.g., calcium and magnesium).
Today I decided to play with some chemicals I ordered to try to spherify V-8.
The NYTimes has an article on bartenders using some science tricks. I have a new favorite drink: