what the space for The Source Lab would look like.

First off it is a Lab, laboratory. A laboratory by definition

A laboratory (CommE /ləˈbɒrətri/ or /ləˈbɒrətəri/, AmE /ˈlæbərətɔːri/; informally, lab) is a facility that provides controlled conditions in which scientific or technological research, experiments, and measurement may be performed.

Barrier-free, Universal design, Safe and Open. Is it possible?

In an interview with an O/S2 magazine back in the day, Mike F. Cowlishaw, the father of REXX, said that he always preferred to hire electrical engineers because they designed their solutions keeping in mind minimal prototyping was available. As where, software engineers just kept ploughing away on problems and iteratively improved their code. Programmers from a hardware background developed more sound code their 1st go-round or more frequently than their purely software oriented/taught peers.