A group of students built an autonomous unmanned solar powered drone boat and sent it to a journey to cross the Atlantic. What even cooler, you can actually track it online using the Transatlantic Tracker.
Many times I find myself with a large number of opened tabs in Firefox browsers and thankfully you don't need to close the program in order to close all the tabs except the one I want to keep.
Some installations or settings changes require you to restart your computer. In most cases you don't need to actually reboot it, you only need to restart the explorer.exe process.
Let's design a stylish and transparent discount label you can then use for an online shop website, posters and similar media you want to advertise a discount on, using Photoshop.