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How To See Through an Invisibility Cloak
AMESN writes "Ways to bend light around objects and render them invisible are becoming a major field of scientific study and gaining ground. While no actual invisibility cloak exists yet, researchers are also theorizing on how to beat the perfect cloak."
No invisibility cloak can hide the fact that it's still a solid object. That or utilize various frequencies of EM as it would be extremely difficult to defeat radar + infared + visible + UV all at the same time.
Sigs are too short to say anything truly profound so read the above post instead.
If you can, it's not perfect.
The real problem isn't detecting it. It's knowing that you need to be trying to detect it in the first place, and approximately when and in what area.
I see even classic Slashdot is now pretty much unusable on dial up anymore.
An "invisibility cloak" these days doesn't just necessarily apply to the visible light spectrum. The cloak could be a thermal or radar "invisibility" cloak, leaving an object perfectly visible to the naked eye, but invisible on other scans. Penetrating thermal invisibility cloaks might end up more important, because camouflage can take care of visible light from overhead, it's the thermal that's the giveaway.
Admit it. You post strawman arguments as AC so you get modded Insightful for refuting them, rather than Troll
I imagine throwing a stone at something you don't know is there to find it would be quite the feat.