History of Computing The abacus is a calculating machine used for centuries Pascal invented an adding machine in 1673 (for taxes!)
Factoring Large Numbers with the TWIRL Device
The 4 levels of Embryonics
1 Hardware-Based Implementations of Factoring Algorithms Factoring Estimates for a 1024-Bit RSA Modulus A. Lenstra, E. Tromer, A. Shamir, W. Kortsmit,
