A revolutionary change, humorously dubbed as the "Time Machine", has been introduced in the common testing methods in Japan. This new concept aims to make the examination process more efficient and error-free. However, this novelty has sparked debates and discussions nationwide on its impact on the education system. The timing of its implementation and its potential consequences have not been clearly defined yet.

Education is highly regarded in Japan and there is a constant call for innovation and improvement in the sector. With this new "Time Machine" concept, the country is attempting to veer away from traditional testing norms, which could be seen as a reflection of the society's willingness to experiment and adapt to changes. However, it's also a subject of intense scrutiny as it challenges the existing education norms and many are concerned about its possible implications.

In the US or EU, education systems are also continually adapting and there are multiple innovative concepts tried and experimented with. Implementation of novel concepts like Japan's "Time Machine" would also be a matter of comprehensive discussion and assessment, and would be critiqued by educators and experts in the field.