One is shortwave radiation or short wavelength radiation and the other is longwave radiation/long wavelength radiation. The diagram below shows the range of shortwave radiations. There is no proper definition of shortwave radiations as there is no standard cut off for near infrared radiations range.
Cottage cheese is a fresh cheese curd product with a mild flavor. It is drained, but not pressed, so some whey remains and the individual curds remain loose.
Blue Cheese - There are blue cheese variants of many of the cheese listed above. What puts them into the blue cheese category is that penicillium roqueforti - a blue mould - is added to the cheese at various stages in the making process.