Rate the following argument fragment on its writing, argument, and language skills:
Evidence: The idea is to allow scientist to float above ground. About 30 miles to be exact. With them hovering 30 miles above ground they should be safe from the ground conditions. With that, NASA is working on other approaches to study Venus; such as an device that was used in World War 2 that calculates under high pressure of heat and does not require electricity.

Score: 1