Japanese robotics firm tmsuk has unveiled a new piggyback-style rideable designed to make life easier for wheelchair users. The Rodem electric wheelchair is positioned in a way that allows a person to pull their body straight onto the seat, simplifying the process of moving from a bed or sofa onto the wheelchair. Rodem users can even control the robotic chair with a smartphone, to drive their wheelchair right up to them when it's needed, or park it out of the way when it isn't. Japanese robotics firm tmsuk has unveiled a new piggyback-style rideable designed to make life easier for wheelchair users. The ¥980,000 (roughly US$8,700) robotic wheelchair weighs about 110 kilograms (242lbs), and can reach a maximum speed of about 6 km per hour (3.7mph).