Power With or Without Solar. Powerwall easily integrates with solar or operates independently to provide your home with continuous power day and night. Maximize your solar. Surplus energy produced by your solar panels is stored in Powerwall to power your home at night. Powerwall protects your home during a power outage, keeping your lights, Wi-Fi and refrigerator running.
Previous genetic studies of dog lineages have concluded that domestication occurred in Southern China around 16,500 years ago, but the earliest archaeological evidence of domesticated canines is found in Europe and Siberia.
Which came first, dogs or cats? It's generally believed that dogs were domesticated long before cats. But recently, growing evidence reveals that cats and humans have lived in harmony throughout the ages. Most scientists agree that cats were domesticated by the ancient Egyptians about 6000 years ago.