Er
Won't the Ice cubes eventually melt and dilute your drink?
(kitescreech still here, Thu 1 Jul 2010, 21:17, 3 replies, latest was 15 years ago)

Yeah,
"put ice-cubes in a drink to make it colder" isn't exactly a secret that people need to be let in on.
(Spleep Shit, or get off the internet., Fri 2 Jul 2010, 8:53, Reply)

it's shaking it up don't occur to people though
by shaking it up, you increase the speed that the heat from the water melts the ice (or in another sense, it moves the cold from the ice all through the water faster). if it just sits there, as most people do, it takes ages for the ice to melt and do its job ie the cold stays localised.
This is a trick a good bar tender would be well familiar with. Chuck some ice in and shake your cocktail.
( Sextant goes to him is emotionally erect, on this day, Mon 5 Jul 2010, 11:40, Reply)

I don't have a problem with drinking diluted water

( Vipros. clever got me this far, then tricky got me in, Fri 2 Jul 2010, 14:23, Reply)

Yes, but you get on with the business of having the drink and don't let them melt.
Ice from the freezer is about -18C (depending on the setting), you put it in a drink and it will draw the heat from the liquid to raise the temperature of the ice. Then, it needs a shit load of heat energy to turn the 0°C ice to 0°C water.
( sandettie light vessel automatic New Twitter - @bollocksreally, Mon 5 Jul 2010, 12:16, Reply)