Dragonglass is real, even if white walkers (hopefully) aren’t

Obsidian dragonglass Game of Thrones

Megapixels: 'Game of Thrones' turns a naturally-occurring glass into a fantastical weapon.

Obsidian forms as lava, spewed from a volcano, quickly cools at surface temperatures. It’s found all over the planet, including in the fantastical series Game of Thrones,
via Popular Science "http://bit.ly/2PcZePj"


Popular posts from this blog

PowerCLI で VM 停止しないように CD/DVD ドライブからメディアを取り出してみる。

The best air conditioner

Lenovo’s Yoga 730 2-in-1 laptop has Alexa built in