Grist: Solar panels are becoming passé. Why put solar panels on top of building construction materials when you could just tap the power of the sun directly through the construction materials themselves? Bloomberg reports on the rapid growth in building-integrated photovoltaics, or BIPV. These are solar powerharvesting cells that are incorporated into the walls, roofs, and windows of buildings integrated seamlessly instead of being bolted onto a finished building as an apparent afterthought: From...