If you’ve been watching Nintendo Switch 2 news like a hawk for the past few weeks, you may have spotted leaks about the new and improved Joy-Con controllers, and wondering just what an IR sensor is.

So why don’t we test for it in the United States? England does. Starting in 2012, the Brits started giving a phonics check to all 6-year-olds. At the end of their first year of school (equivalent to ...