No passwords, no registration, no paywalls, no popups, no AI

As an Amazon Associate & eBay Partner we earn from affil links

finishing.com -- The Home Page of the Finishing Industry

Search our quarter-million Q&As

Home of the finishing HOTLINE since 1989

-----

Application of Hologram Technology

This is a question regarding the technology of the hologram. Can two overlaying images be applied to a card similar to a credit card? If so, can one be seen by the naked eye and the other only by the use of special glasses?

Thank you

Shelly Greene
Holmes Chemical Co - Hatboro, Pennsylvania, USA
2005

There are special Kinds of hologramms, called hidden, which can only be seen with special lightsources shining at them. These kind of hologramms can be overlaid by a "standard" hologramm, which can be seen using normal light.

Marcus Hahn
- Lucerne, Switzerland
2005

Thinking on holograms, can two or three beams of possibly different types of lights be projected to a point in space and where this beams of light converge create an image or a ball of light at that point?

Dwayne Fronterhouse
hobbyist - Guymon, Oklahoma
2006

Sorry! Finishing.com is temporarily Read-Only.
Ted Mooney is retiring but I have several offers to take it over.
We're working hard to make sure we find it the best new home.

Disclaimer: It's not possible to fully diagnose a finishing problem or the hazards of an operation via these pages. All information presented is for general reference and does not represent a professional opinion nor the policy of an author's employer. The internet is largely anonymous & unvetted; some names may be fictitious and some recommendations might be harmful.

If you are seeking a product or service related to metal finishing, please check these Directories: