tom swift among the diamond makers

 xray is an amzing thing since this xray goes allthe way through. but not bone as easily you can take a picture of somone bone and find ut if their is a fracture or something. else beacoase you can use them to find other things like is you need a hyfromspetry thy need to find out if you need it. they give you a xra and they can find out where it is isabt that amazing a man named actually i forgot his name but did you know that computre. like the first kind took up a whole building they where o big and they would hve like a 10 inch screen hat could not even do the things we can do today.