Flash Science: Flashy Grape By Posted September 11, 2015 In Flash Science, Shopcasts and Videos Flash Science: Flashy Grape2015-09-112024-05-29Little Shop of Physics | CSUhttps://www.lsop.colostate.edu/wp-content/uploads/sites/6/2015/09/FlashyGrape.png200px200px A grape makes a great dipole antenna, and makes a great (small and safe) series of sparks in the microwave. Parts Needed 1 Grape 1 Knife 1 Microwave-safe plate 1 Microwave oven