Diluted laundry detergent, spit and Vitamin B-12 dissolved in vinegar can be used to make invisible ink revealed by the shine of ultraviolet light. Vinegar and ammonia are two transparent substances that become visible when exposed to red cabbage water. Lemon juice, baking soda, white wine and soapy water can all be used to create invisible ink that’s permanently revealed through exposure to heat. You can use many naturally occurring substances to make your own invisible ink, several of which you can find in your own kitchen pantry. Sturdy ultraviolet flashlights are another good accessory to purchase alongside invisible ink pens if the UV lights packaged with the pens aren’t up to snuff. Small notebooks and journals pair nicely with invisible ink pens, letting people fill page after page with secret messages and doodles.
If you’re planning on giving friends or family members invisible ink pens as gifts, it’s also good to give them something they can write on.
Accessories that go well with invisible ink pens When those electrons shift back to their normal orbit, the absorbed energy is expelled in the form of visible light. When you shine a UV light down on a message or drawing made with invisible ink, the electrons within the ink’s fluorescent molecules are excited, briefly shifting to a higher-energy orbit around their nuclei. Ultraviolet invisible ink pens and markers contain a special type of ink made from naturally fluorescent chemicals or organic compounds. What to know before you buy an invisible ink pen How ultraviolet invisible ink pens work Other invisible ink pen products may have designs, ultraviolet lights or ink hues that better fit the specific needs of certain buyers. The SCStyle Invisible Ink Pen set is a perfect gift for large groups of children. In the modern age, invisible ink pens are an excellent way for grown-ups to discreetly mark items in their workplace and a great toy for kids who want to play games of subterfuge. Spies and conspirators have used invisible inks for millennia to send messages.
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