摘要：
Description Mad scientist Mike is building a time machine in his spare time. To finish the work, he needs a resistor with a certain resistance value. 阅读全文
摘要：
Description Mad scientist Mike is busy carrying out experiments in chemistry. Today he will attempt to join three atoms into one molecule. A molecule 阅读全文
摘要：
Description Mad scientist Mike entertains himself by arranging rows of dominoes. He doesn't need dominoes, though: he uses rectangular magnets instead 阅读全文