Step into the future with three groundbreaking innovations that push the limits of what it means to be human. From playing video games using only the power of your mind, to upgrading your body with an extra thumb, and even exploring virtual worlds you can smell, these inventors are redefining the boundaries between technology and the senses. These are the kinds of ideas that sound impossible, until you see them in action. Watch the video [Source: Great Big Story on youtube.com]
