If a virtual world has ever left you feeling nauseous or disorientated, you're familiar with cybersickness, and you're hardly alone. The intensity of virtual reality (VR)--whether that's standing on the edge of a waterfall in Yosemite or engaging in tank combat with your friends--creates a stomach-churning challenge for 30-80% of users.
Image: A test subject experiences a potentially stomach-churning virtual reality fly- through of a space station while her brain activity is monitored. CREDIT Maryland Blended Reality Center
