Tyrrell tried out the Van de Graaff generator at the hands-on science demonstrations. The generator develops an electrostatic charge, making the hair of anyone who touches it stand on end. Downloadable print-quality file for this photo. Resolution is 200 dpi, print size is approximately 4.9 inches wide by 4 inches high.
File type is jpeg.
Downloadable print-quality file for this photo. Resolution is 300 dpi, print size is approximately 5.7 inches wide by 4.6 inches high. File type is jpeg. Here, youngsters dip flowers in liquid nitrogen and watch them become brittle like glass. Downloadable print-quality file for this photo.