T1, E1: Welcome To The New World Of Science We Pass From The Micro World Of The 20th Century To The Nanoworld Of The 21st We Discover How By Forgetting The Traditional Fabrication Of Objects From Blocks Of Raw Material The Idea Of Assembling Objects Atombyatom Came About We Will Approach The Ultimate Logic Of Nanotechnologies Whereby Any Object Can Theoretically Be Assembled From Atoms