getting out into nature is now more important | |
Thick insulation surrounds the sand, keeping the temperature inside the battery at 600C (1,112F), even when it is freezing outside. "We don"t want to lose any heat; the average winter temperature is below 0C (32F) in Kankanpää," says Ville Kivioja, lead scientist at Polar Night Energy, who monitors the battery"s performance online. | |
ผู้ตั้งกระทู้ getting out into nature is now more important :: วันที่ลงประกาศ 2022-11-09 13:09:57 |