My family and I will be visiting relatives in the Indianapolis area and we are looking for things to do within an hours drive of there for when we need to take a breakAnyone know of any museums, caves, parks, interesting places we can visit? Some things to keep in mind: part of my family includes a nine year old boy and a teenage so interests vary.
1) Gold was used because it could be pounded into a very thin sheet (very malleable), so that the rays would be able to penetrate and be detected on the fluorescent screen2) Alpha particles are only nuclei without any electrons, see 33) They are positively charged particles made of two protons and two neutrons, identical to He^2+ atoms.
