When I used to live in a fourth-story apartment, I thought that a cool invention would be a charcoal grill that you mount outside your window frame so that you could enjoy the delicious, smoky flavor of meat slow-cooked over compressed briquettes of petroleum waste without any need for a patio. The obvious disadvantage is that a window-mounted grill might fall out of the window and plunge four stories into somebody's baby carriage, incurring the wrath of consumer safety watchdogs. Still, the s
