You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: MAKE IT STICK 
Clue: Use instant glue for glass & white glue with a clamp for wood, which has these, like skin, for glue to enter
pores

Category: ARCHITECTS 
Clue: Dallas-Fort Worth Airport architect Gyo Obata helped design this Smithsonian museum
air & space museum

Category: "OUT" IS IN 
Clue: "Colorful" loss of electrical power as a result of overuse by consumers

a blackout