A pound coin floating in mercury

Mercury is a chemical element. It is a metal, but has peculiar physical properties. It’s one of few metals that is liquid in standard temperature and pressure (imagine normal room temperature conditions). Mercury is commonly known as quicksilver. Other than its cool sounding name (almost like a superhero, Captain Quicksilver), and interesting physical properties, mercury and most of its compounds are toxic. Mercury poisoning can be a result of vapors


As of 2019, data centers consume about 2% of global electricity. According to Swedish KTH Royal Institute of Technology, the internet uses 10% of the total electricity consumption worldwide. How much of that is consumed by Youtube? After Netflix and embedded videos, Youtube is the third biggest global internet bandwidth eater.

Server room

You know how smartphones sometimes get really warm after an hour of web browsing, right? And how laptop’s fan is howling on a warm day, spouting hot air from the vents. In a powerful gaming PC heat is an issue. Computers produce heat, but can a computer heat up a room? A Reddit user did some serious maths