Any masonry product will absorb moisture from outside air and conduct it to the drier inside portion of the brick or stone. There should then be a gap, what we call a dead air space, between the ...

To explore these enigmas, we take what we know about space, time, gravity ... For example, the inside and outside of a black hole are decoupled by a boundary called the event horizon.

From the outside, a planetarium and an observatory might look somewhat similar. People might get them confused because they both have a dome and deal with space — even folks in Montgomery who ...