"their overall task is to open an umbrella," said schwiesow. the rules say the machine had to go through at least 20 steps, but no more than 75. "obviously, this is engineering at its core, being able to put steps together to make a process happen," schwiesow said. "it took a lot of trial and error," bless added. "the process from putting it on paper to achieving the goal was the hard part," said schwiesow. but it takes more than just engineering skills. "you have to work as a up with ideas together and you have to follow through with those ideas," said schwiesow. "we worked pretty well together, but there was some arguing about how we were going to do certain steps," bless said. not every umbrella opened, which was also a valuable lesson. "if you keep working at it, pretty soon you'll get it to work correctly," " all: (reax) lucas: still to come on local 5 news midday... (weather) sam has the details in central iowa's most accurate forecast next. most accurate forecast with meteorologist sam schreier. certified by weatherrate the independent w