After Dark: See for YourselfThe Exploratorium is your playground after dark! Be a cloud puppeteer, meet gods and imaginary mythological creatures built from LEGO® pieces, weave with others on a giant loom, find patterns in miles of hanging yarn, watch shoes smile, and more at ExtraOrdinary!, our fanciful summer exhibition.
Where: San FranciscoCost: $19.95 General, Free for members
Radio Axion: Tuning in to the Dark Matter Airwaves We observe that 85% of the matter in the universe is in the form of invisible "dark matter" -- but we still do not know what this dark matter is. My favorite dark matter candidate is an "axion" - a hypothetical particle suggested by the problem of explaining the fundamental ...
