The History of Artificial Intelligence

by Rockwell Anyoha Can Machines Think? In the first half of the 20th century, science fiction familiarized the world with the concept of artificially intelligent robots. It began with the “heartless” Tin man from the Wizard of Oz and continued with the humanoid robot that impersonated Maria in Metropolis. By the 1950s, we had a generation of scientists, mathematicians, and philosophers with the concept of … Continue reading The History of Artificial Intelligence

Roman Building Techniques – Stronger Than We Thought

There is something unusual about Roman sea walls: they last for a very long time. In fact, while modern concrete erodes when exposed to seawater and eventually requires replacement, Roman concrete grows even stronger. Professor Marie Jackson at the University of Utah investigated the old concrete using imaging techniques called electron microscopy, X-ray micro-diffraction, and Raman spectroscopy. The Romans made concrete out of a mixture of … Continue reading Roman Building Techniques – Stronger Than We Thought