If you are an iPad user check out our guide: Extend your iPad's battery life. Step 1: Check what's sapping your tablet's power. Android provides a quick and easy way to see what's draining most of your tablet's power. Go to Settings - Battery.
A bottle opener is a device that enables the removal of metal bottle caps from bottles. More generally, it might be thought to include corkscrews used to remove cork or plastic stoppers from wine bottles. A metal bottle cap is affixed to the rim of the neck of a bottle by being pleated or ruffled around the rim. A bottle opener is a specialized lever inserted beneath the pleated metalwork, which uses a point on the bottle cap as a fulcrum on which to pivot.
Champagne or other sparkling wines are pretty much useless after they've been opened, since the carbonation dissolves very quickly when the wine is exposed to oxygen. It's advisable to open a bottle of bubbly only if you know you'll be able to finish the whole thing, which to be honest, never seems to be a problem.