Scientist W. B. Herms works with black widow spider venom. Also, the modern trailer; invention of canned beer; a thermal-powered clock; the San Francisco Bay Bridge; accurate artificial flow... Read allScientist W. B. Herms works with black widow spider venom. Also, the modern trailer; invention of canned beer; a thermal-powered clock; the San Francisco Bay Bridge; accurate artificial flowers; a test pilot.Scientist W. B. Herms works with black widow spider venom. Also, the modern trailer; invention of canned beer; a thermal-powered clock; the San Francisco Bay Bridge; accurate artificial flowers; a test pilot.