With the rise in popularity of do it yourself (DIY) projects, a surge in internet how-to instructions has emerged to teach the insatiably curious everything from how to build your own flying machine, make your own shoes, how to knit the latest fashions and even how to create a vase out of condoms. One great source for these types of instructional videos is Wonder How To, a website with an extensive library of DIY projects, each with instructional videos. Each clip is given a letter grade rating based on user feedback. The social network also offers a list of Top Submitters and Top Watchers. The front page features five main categories: Clip of the Day, Wonderlist (recommended playlists), Fresh (recently added videos), Gems (overlooked great videos) and Hot (today’s popular videos.) Some random videos: - Make a potato gun with a taser - How to undo her bra with one hand - Turn your old underpants into a bra (featured in the video above) - Do a 20 minute hotel workout (by a male model with a military background) - How to make ginger snaps - <a href="http://www.wonderhowto.com/diet-health/prescription-drugs-pharamceuticals-video/how-to-roll-a-joint-68381" title="How to roll a joint">How to roll…