Since we havent used our combine for many years, I would need to pay someone to do the combining too. Alfalfa/grass hay is going for around $3/bale now, so I would need to make $3000 off the field to pay for the hay I need. Risk in combining is messing up the alfalfa if the oats get flattened or the windrows get rained on. YT Home | Forums.
Erasers. In 1770, the first version of the rubber eraser was sold by an English optician and engineer named Edward Nairne. Edward got his invention by accident âhe meant to pick up bread crumbs to erase some pencil markings, as was common at the time, but his hands landed on a nearby piece of rubber.
11 Simple Inventions That Could Change The World. We have a tendency to lionize mankind's mind-bogglingly complex inventions. It's why we teach our children about the Alexander Graham Bells and Thomas Edisons of the world, and scour the Internet for every little iPhone rumor we can find. But sometimes, it's the simple technologies that truly change the world. Think of what pasteurization did for public health or what mechanical clocks did for, well, time. These unheralded inventions maybe don't appear incredibly complicated at first glance, but they nevertheless improved the lives of countless people.