Please answer the two questions in depth and will rate surely! Thank you for your time, I appreciate you.

3. From the challenges discussed in class for self-assembly, which one do you think is the most important one and why? 4. In Lecture 1, there was a discussion about the application of nanotechnology to the manufacturing of sporting products. Select such a product and write briefly - in one or two paragraphs at the most- about the properties improvements (e.g. thermal performance) imparted to it by the use of nanomaterials