Home 24h Top Newest Best Ask Show Jobs

TechEcho

A tech news platform built with Next.js, providing global tech news and discussions.

Home

Home Newest Best Ask Show Jobs

Resources

HackerNews API Original HackerNews Next.js

© 2025 TechEcho. All rights reserved.

Polar night energy – sand battery

1 pointsby simon_000666almost 3 years ago

1 comment

SaulJLHalmost 3 years ago

It doesn't mention why this, and not actual batteries.