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Biology Experiments Reviews Science STEM

GO STEM Digital Microscope

Kickstart your child’s scientific journey with the GO STEM 4-inch LCD Smart Digital Microscope! This kid-friendly microscope strikes the perfect balance between fun and learning. It’s an exciting way for young minds to explore the wonders of the world. With a simple switch of the LCD display, kids can dive into the fascinating details. From […]

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Binoculars Experiments infographics

Binocular prisms – why are they so weird and different?

Bill, Optics Central’s resident birdwatcher and all-round optics nerd, explains prisms in binoculars. He starts with how Porro prisms which are found in the traditional shaped binoculars work. Then, he goes into more complex roof-type prisms. These roof prisms are the ones you’ll find in the more modern “straight through” design of binoculars. Binoculars, including […]

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Astronomy Experiments Guides

Astrophotography Filters part 3: Putting it all together

This is part 3 of my series on astrophotography with filters. Last time I explained how the human eye sees in colour, using three different types of cone cells. We use one type for sensing red light, one for green light and one for blue light. The different channels are then recombined in our brains […]

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Astronomy Experiments Guides

Astrophotography Filters part 2: Narrowband vs. RGB filters and how they work

This is part 2 of a series of blogs about filters and narrowband astrophotography. Bill explains how filters work, why you might use different filters and what a photo taken through a filter looks like. In the previous blog, I went into a bit of my own history: how from DSLR photography, I gradually moved […]

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Astronomy Experiments Guides

Astrophotography Filters part 1: Getting into filters

This is part 1 of a series of blogs about narrowband photography. In this introduction part, Bill talks about how – and why – he moved from taking astrophotographs with a plain DSLR to a monochrome CMOS camera with filters. It’s all about how you want the hobby to develop Astrophotographers aren’t normally wealthy people. […]

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Experiments

Celebrating National Science Week 2016 – Final Day – Supertasters!

It’s the last day of our Celebrating National Science Week experiments. We hope you enjoyed it as much as we enjoyed writing them. This final experiment is very different from the previous experiments and takes a look at tastebuds and their role. Have you ever noticed that some people can identify very subtle tastes whereas […]

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Astronomy Experiments Uncategorized

Celebrating National Science Week Day 7 – Make Your Own Solar System

It’s almost the end of the National Science Week activities. In yesterday’s article, Fruits Magnified, fruits were the main subject being studied in detail under a stereo microscope. What we saw was the structure and strange details of various fruits that we could not see using the naked eye. Today, we will also be using fruits, […]

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Astronomy Experiments

Celebrating National Science Week Day 4 – Moon Phases

Find out why the Moon appears different on different nights of a month and the names of the eight Moon Phases. This topic works great as simple general knowledge and is also one of the fundamentals of getting into lunar observation. Read now!

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Experiments Uncategorized

Celebrating National Science Week Day 3 – Counterfeit Detection

To celebrate National ScienceWeek in Australia, OpticsCentral is posting one experiment every day for the week. Today, we will be talking about counterfeit detection and identifying the mechanisms that are in place to protect our currency.

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Experiments Uncategorized

Celebrating National Science Week Day 2 – Build A Telescope

Day 2 – Build your own telescope What is a telescope? A telescope is a tool used to look at distant places as if they were nearby. While telescopes have countless different brands and manufacturers, the mechanics behind every telescope is the same. A telescope is used to gather light using either mirrors, lenses or […]