Question

The aero-modelling provides an earnest approach to the understanding of an otherwise highly technical subject, i.e. aerodynamics. The history of aeromodelling goes back much further than the history of real aircraft. Now answer the following:
a. Name the first person to discover the "lifting" property of a cambered surface in comparison to the flat surface.
b. What did Professor Langley build in 1878 and what was it called?

Answer 1

Let's enter the house:

On the ground floor we have a large living room and of course a kitchen. On the first floor we have two bedrooms and a bathroom. We have two armchairs, a sofa and a small table.