So, you want to borrow Harry Potter‘s invisible cloak, but you can’t have it.  Harry Potter won’t let you borrow his invisible cloak, because he needs it much more than you do for some magical life and death situations.  Nonetheless, you can try to ask the Japanese researchers who have their own invisible cloaks to lend you one so you can sneak around invisibly, doing what you do we might not know.  The technology was developed in 2003, but the lead researcher Dr. Susumu Tachi from Keio University asserted that his team is working on ways to implement this technology for cars, airplanes, and so on so the drivers and pilots and others would be able to avoid blindspots.  Basically, I think they are trying…