Japanese Paleolithic are a technology associated in the rest of the world with the beginning of the Neolithic around 10,000 BC. It is not known why such tools were created so early in Japan. Because of this originality, the Japanese Paleolithic period in Japan does not exactly match the traditional definition of Paleolithic based on stone technology (chipped stone tools). Japanese Paleolithic tool implements thus display Mesolithic and Neolithic traits as early as 30,000 BC. The Paleolithic populations of Japan, as well as the later Jōmon populations, appear to relate to an ancient Paleo-Asian group which occupied large parts of Asia before
Research in lithium-ion batteries they reach a non-flammable liquid electrolyte, which ferries them to the opposite electrode. The electrolyte has additives that prevent the lithium metal from reacting with it and that prevent dendrites. SolidEnergy’s technology does not require new manufacturing equipment and can be recharged 300 times while retaining 80 percent of its storage capacity. It works at room temperature, whereas some other lithium-metal batteries operate at much higher temperatures. In 2014 Seeo demonstrated a prototype of a solid-state battery, replacing the traditional liquid electrolyte with two polymer layers. One is soft and conducts ions; the other is hard and prevents dendrite formation.