Finish with the third layer, cut side down, and frost the sides and top of the cake.

NPR: Recipe: Devil's Food White-Out Cake

Top with a second layer, cut side up, and frost it.

NPR: Recipe: Devil's Food White-Out Cake

One side of the silicon can then be etched down to within a fraction of a hair's width of the glass layer, leaving the other side as a support.

ECONOMIST: Chip technology

The other established approach is to take two wafers of silicon, coat each with a thin layer of glass on one side (which is done by baking them in oxygen), and then fuse them together to produce a silicon-glass-silicon sandwich.

ECONOMIST: Chip technology

As for DVD, that layer can be found on the flip side of the disc.

ENGADGET: Three's company: Warner patents all-in-one hybrid disc HD

In the deep water, large swaths of Wilcox sediment slumped over the side of the continental shelf and were swallowed by a layer of salt that dates back to when the American continents pulled away from Europe and Africa.

FORBES: Magazine Article

Bent replaced the injured Defoe, who limped off after Johnson's goal, and he finally got on the scoresheet for England with a confident finish two minutes from time to put another layer of gloss on a fine display from Capello's side.

BBC: Switzerland 1-3 England

Fit a layer of apples into the skillet, putting the apples into the pan rounded side down and making concentric circles.

NPR: Cookbook Author Celebrates Apple Season

On the software side of things, Samsung is taking advantage of its mobile devices' processing power to layer premium features on top of Android, such as the ability to run two apps at once in a split screen or separate window.

CNN: How Samsung is out-innovating Apple