The good news is that the new research confirms that invisibility is indeed possible. It may get more difficult to keep things hidden from more than one wavelength of light at a time, but objects can be completely cloaked on a single bandwidth.

Do invisibility cloaks exist?

Hyperstealth Biotechnology, a camouflage developer, has created an "invisibility cloak" that bends light to make anything behind it disappear.

Are invisibility cloaks rare?

Invisibility cloaks are exceptionally rare and valuable within the wizarding world.