**4. Technology development**

Scientific approaches and researching to solve fundamental problems for safe colonisation of Moon and Mars lead to the development of new technologies. AATC realises technology grants based on concepts and prototypes implemented and tested inside the habitat. The first technology developed in AATC is the sunlight simulator lighting system to synchronise biological clocks (**Figure 6**). Several prototypes have been made and tested in isolated conditions on plants, animals and humans (under bioethical committee approvals).

Other technologies that are being developed in AATC in collaboration with scientific partners are as follows:

