5.Quick Draw, where you doodle and an AI guesses what you're drawing, helping the machine learn new things.
6.Pink Trombone, where you can control a vocal tract via this simulator.
7.This website that demonstrates what it's like to have Dyslexia.
8.Music Map, which lets you enter a musical artist and provides you with similar artist. The closer the names are, the greater probablity you'll like 'em.
9.Outrider, which allows you to enter a location and see what would happen if a nuclear bomb went off there.
10.MuscleWiki, which allows you to click any part of the human body, then provides you with a list of exercises to workout said part. It also describes each exercise and shows you how to do it.
11.PixelThoughts, a 60-second meditation tool that helps you watch whatever is bothering you go away.
12.Photoskop, where you can find free, interactive photography lessons.
13.Ventusky, which provides a detailed look at a variety of weather elements, from temperature and precipitation to wind and waves.
14.Take a Five, which helps you take a break to browse the web, but closes your time after a set number of minutes so you don't fall into a black hole of unproductiveness.
15.This quick test from Concert Hotels that'll show you how well you can keep a rhythm.
16.Tiii.me, where you can enter the name of a TV show and it tells you how long it would take you to binge watch it.
17.And finally, this This Rubik's cube that you can try to solve online.