REASEARCH PAPER Bridges have been around sense the beginning of time. The Ancient Roman engineers used two significant innovations, the cofferdam and cement. The cofferdam is when the put wooden spikes in to the bottom of the river then used watertight clay over the spikes to make a bridge. Now today there are more efficient ways to make a bridge then just out of cement and clay. There are Suspension Bridges, Arch Bridges, Covered Bridges …showed first 75 words of 516 total…

…showed last 75 words of 516 total…example of soap film which shows minimal surface area. It can come in at least three different forms an Unstable Catneoid, Stable Catenoid, and Double Disks Catenoid. This information helped me a lot with my project. I had to pick a bridge so I researched on many different types of bridges. And I need to know a lot about how bubbles react with other variables considering that is what most of my experiment is on.