People interested in renewable energy may wish to explore topics that cover wind energy, solar energy design, green building, and the future of electric energies. Topics that explore CAD and digital manufacturing will teach learners the fundamentals of 3D printing. For those interested in exploring more 3D printing techniques, topics in 3D printing applications, including 3D printing software and hardware, can give learners the tools they need to move their 2D drawings to 3D. For those interested in motion planning and robotics, topics explaining aerial robotics can help learners understand the role drones play in the world today and in the future.