It is remarkable how much people are ready to pay for bottled water in comparison to tap water. While 1 liter of bottled water costs €0.30 or more, 1000 liters of tap water cost less than €0.02.... more »
Most coffee machines in offices serve also hot water. The temperature of the water is often close to 80 ºC (175 ºF). This is not rule that applies to all coffee machines though.... more »
Take a sling or bamboo or collins glass. 10-12 mint leaves. 20 ml fresh limejuice. 15 ml sugar syrup (2:1 sugar:hot water and cool down) 50 ml light or dark (older) rum.
The ice in a cocktail glass melts mainly because the temperatures of the glass and the ice inside level up. If you put just several ice cubes into the glass, they melt quickly.... more »