Comments on: Imagine if your phone still had 50% charge after 5,730 years https://lifeboat.com/blog/2017/08/imagine-if-your-phone-still-had-50-charge-after-5730-years Safeguarding Humanity Thu, 10 Aug 2017 04:22:56 +0000 hourly 1 https://wordpress.org/?v=6.6.2