Natural compound eyes (NCEs) were first investigated by Robert Hooke in 1664 after he observed orderly arranged pearls in the cornea of a grey drone fly. These NCEs then inspired the development of ...

It is relatively clear how to assess whether a particular stock investment did well. There is a purchase price and a sale price. This gives an exact return by which to measure performance. Looking at ...

What is Hardware Surface Finish? Any surface can look (and even feel) perfectly smooth. However, look closely enough with high magnification and all surfaces will have a degree of fluctuation and a ...