Technology on ZME Science

Theremin: the electronic instrument you play without touching anything

The theremin is a unique musical instrument which involves two antennas and which you can play with your bare hands, without touching anything. We'll talk about its history, the working principle and how you can play/build your own.

Do you know how much water goes to make your food?

Approximately 3.8tn cubic metres of water is used by humans annually with 70% being consumed by the global agriculture sector, according to a report issued by the Institution of Mechanical Engineers (IME). Strikingly, up to 50% of all food is thrown away before it gets the chance to reach consumers, often out of frivolous reasons. In terms of water that's 550bn cubic metres that go to waste each year. At the same time, approximately 795 million people in the world are chronically malnourished and 1 in 10 lack access to clean water. While policy makers should take more notice and take measures to curb waste, there's much you can do yourself to cut on waste. Eglė Plytnikaitė, an illustrator from Vilnius, Lithuania made some insightful drawings showing how much water goes into some of the most popular foodstuff.

10 of the Weirdest Internet Slang Words That Are Now in the Dictionary

No matter how puritans might hate it, the English language, as any language for that matter, is constantly shifting, expanding and transforming. Previously, languages would influence one another based on proximity. French would influence English and vice-versa. But now, the world is smaller and borders between countries are thinning. On the internet, some people seem to have a language of their own. And while parents might scorn and others laugh, you should know in all seriousness that some of the weirdest internet slang words are actually real words now, as in they can be found in the Oxford English Dictionary. Let's just look at some: