Equation for diffraction grating
Reflection Diffraction Gratings (not on the syllabus!) Transmission Diffraction Gratings A transmission diffraction grating is a slide with large number of parallel, closely spaced slits (transparent spaces) drawn on it. Early ones were carbon covered glass slides etched by a needle point - now they tend to be printed onto a slide. When a parallel beam of monochromatic light is…
Halloween hologram projector
Peppers Ghost is a classic technique for making ghosts appear in pictures, video, and even in front of live audiences. In this week’s Halloween themed Instructable, learn how to recreate the effect at home. It’s really quite simple. By positioning a clear piece of lexan at a 45 degree angle to your “ghost”…
www.autism-mmc.com
Hologram meaning
When taking a photograph, one light reference is reflected directly off the object and recorded as a two dimensional image. When viewing a photograph, we imply a third dimension based upon our past perceptions of similar situations. Holograms are 3 or 4 dimensional. Height, width, depth, and motion(time), are all recorded in a holograph. But, the theory of holography is what is…
Continue Reading
UK Fake driving licence with hologram
To help you adhere to this law it’s always a good idea to ask anyone who you think may be under-age for identification. By asking people to prove their age you will avoid accidentally selling alcohol to a minor and avoid facing the penalties for doing so. You may already be familiar with the Challenge 25 scheme which looks to help you with this – the scheme simply informs the customer…
Continue Reading
Difference between diffraction grating and prism
Fig.1 Construction of a Spectrophotometer Light containing various wavelengths can be broken down according to the wavelength. White light (containing many wavelengths) entering the monochromator is extracted as green (540 nm), red (650 nm), or some other monochromatic (single-wavelength) light. The operating principle can be explained by an experiment using a prism to break down…
Continue Reading
Hologram Stickers Printing
White Vinyl Sticker Material is made with Plastic/ PVC. Its Milky White and is not see through. We can print any color on it as per your demand and design. This material is waterproof & weather proof, it is suitable for outdoor or indoor use. Generally the life of this material is 2-5 years. Clear Vinyl Clear Vinyl is made with Plastic/PVC. It is Transparent and is see through…
Continue Reading
Portable hologram projector
It’s easy to make your own hologram projector. All it needs is a non-intimidating list of items, skills of an 8 year old kid, and just about enough time to make an instant hot coffee. YouTuber and independent tech reviewer Mrwhosetheboss has uploaded an instructional video that turns your smartphone into a 3D hologram projector with household items. You can have it ready even before…
Continue Reading
Holographic Television
Holographic televisions could be in living rooms in the next 10 years at the price of today’s two-dimensional sets because of technology being developed by Massachusetts Institute of Technology’s Media Lab, said Michael Bove, head of the lab’s Object-Based Media Group. The lab, known for inventing the technology behind electronic ink, has created a holographic chip that can support…
Continue Reading
Halloween hologram Pictures
Add those final touches to your perfect Halloween Haunt with our amazing Halloween Artwork. Between our Holographic Portraits, Creepy Gothic Pictures, Clings, Banners, and even Spinning Haunted Portraits, we here at Halloween FX have got just the Halloween artwork you are looking for to fulfill all your haunted house needs, and at prices that are unbelievably low. If you are into…
Continue Reading