timing how long it takes for your kettle to boil 1 cup (250ml) of water. looking at the power of your kettle (Watts, often found on the base of the kettle) joules = wattage x time (in seconds)
Rock climbing can help build and tone your legs and glutes. Indoor rock climbing is a sport that when properly executed, recruits every major muscle group in the body. Rock climbing is a full body workout that tones and strengthens the arms, shoulders and core muscles. You can also effectively strengthen and tone your legs and buttocks with regular indoor rock climbing sessions.
Aid Climbing - n Originally called direct aid or artificial climbing, aid climbing is a means of ascent where the climbers weight is supported primarily, or entirely, by slings attached to a device attached to the rock, rather than by the climbers own hands, feet and other body parts as in free climbing.