Advanced Past Technology We Can't Replicate Today

In today’s modern world, we live with technological advances that would’ve seemed like sorcery only 100 years ago. Yet, despite all our cellphones and smart cars, there are still things from the past that leave us with more questions than answers. Let’s investigate some lost ancient technology that we still can’t recreate today, such as wave piloting, ancient nanotechnology, flexible glass and the mysterious eternal battery of the Oxford Electric Bell!