幸运的是他很早就发现了自己擅长的事情：画画、手工。读研时，在没什么资源和预算的窘境下，一个人从头设计硬件、控制算法，搭配工业电机做出机器狗 XDog，拿到上海机器人设计大赛二等奖和8万元奖金，开创了低成本、高性能四足机器人技术方案的先河。XDog的整个开发成本只有：2万元。
Additional reporting by Hosu Lee and Leehyun Choi in Seoul
。体育直播对此有专业解读
No safety concerns related to the stem cells.
Advances in organ and computer models are raising the prospect that some animal experiments could be eliminated. But there are still huge hurdles to overcome.