No. It really is a scam. Everyone with understanding of the physics involved wrote so. Heat dissipation + radiation + launch cost make it a no-go.
Heat dissipation isn't as big a concern as it seems: the weight of the solar panels is significantly larger than that of the heatsinks you'd need per typical modern gpu
Heat dissipation isn't as big a concern as it seems: the weight of the solar panels is significantly larger than that of the heatsinks you'd need per typical modern gpu