No, as a practical thing. Yes, look up "metamaterials". Metamaterials can produce a limited form of invisibility around a very small area. However to "someone" made invisible by being inside a metamaterial "cloak" to them everything else is invisible. Metamaterials have been built, tested, and shown to operate for electromagnetic frequencies up to microwave and for sound and other mechanical waves. One major problem that prevents metamaterials from being a practical invisibility cloak is that they are extremely frequency sensitive (i.e. shift the frequency of the radiation only a small amount and the metamaterial loses allof its "meta" properties and what is inside is visible).
No.
There are references to it all the way back to the 1200's. I know the US government just released top secret papers from WW1 and included in this was directions to spies how to make invisible ink and how to find documents with invisible ink. Considering this was written in 1911 it is a eye opener.
They become invisible in telophase
It can seen vaguely and invisible under the microscope
Invisible ink was invented by Benjamin Franklin and is currently used in government documents as a secret code. Benjamin Franklin used lemon juice as the first invisible ink. The acid in the lemon juice weakens the paper where it has been spread. Therefore, if the paper is held over a candle or another heat source, the area where the lemon juice was spread will burn more easily. This will reveal the placement of the lemon juice.
to tell how you can make invisible ink
You Can't ever be invisible. It is only possible if someone was a special giver that makes you invisible or a invisible cloak giver.
His "Cloak of Invisibility"
There have been magazine article about the way you could do the cloak. Most of those who are doing most of the work are military. These people are not known for saying much about what weapons they have until the weapon is used in combat.
Mainly when he wants to be invisible.
yes 'The Hood' has one and the invisible woman too!
his invisible cloak
The Invisibilty Cloak. The Third Hallow.
an invisible cloak
Invisible, Impenetrable Cloak
Voldemort, Dumbledore, or other powerful wizards don't need an invisibility cloak; according to the story, there is a simple spell they can use to make themselves invisible, and using this spell is much more convenient than using a cloak.
Yea and it makes you invisible like in Harry Potter.
'living well is the best revenge' if you show them that there actions aren't hurting you, they'll give up, instead of an invisibilty cloak, you have the invisible cloak of dignity