Pictojam
#macrophotography
Macro Photo of an Igniting Matchstick
Photographer @macrofying kept the match stationery and moved only the matchbox to capture this macro photograph of the instant the flame is ignited.If you're wondering, the head of a "strike anywhere" match contains phosphorus sesquisulfide, which is easily ignited by the heat of friction against a rough surface, and potassium chlorate which supplies oxygen to keep the flame burning. The head of a "safety" match contains potassium chlorate and antimony trisulfide, which cannot be ignited by the heat of friction. The matchbox's striking surface has red phosphorus - when the match is struck, the red phosphorus is converted into white phosphorus, which react in the potassium chlorate in the head and produce enough heat to ignite the antimony trisulfide and start the flame.See also: This is What Happens the Instant a Candle Flame is Extinguished#MacroPhotography #matchstick #flame
Winners of the Close-up Photographer of the Year 2021
The top 100 winners of Close-up Photographer of the Year 03 (2021) or CUPOTY 03 are now featured on its website showing the winners gallery.The Close-up Photographer of the Year website was the brainchild of husband-and-wife duo Tracy and Dan Calder of Winchester, UK. They wanted to put close-up, macro and micro photography on the center stage and be celebrated in its own right.Tracy, a former editor of Outdoor Photography and a features editor at Amateur Photography, has over 20 years experience in the photo magazine industry. She’s also a photography instructor at West Dean College in Sussex, and an author of Close-up & Macro Photography, which has been translated into French and Chinese. Dan is a contributor to Black + White Photography magazine.This year’s Close-up Photographer of the Year (CUPOTY 03) has more than 9000 photos from 55 countries across nine different categories. These categories are insects, animals, plants and fungi, underwater, butterflies and dragonflies, intimate landscape, manmade, micro, and young.From each category, the top three winners were chosen alongside with the other finalists. Here are the top three winners per category.#photography #CUPOTY #MacroPhotography #CloseupPhotography #photographycompetitionInsects
This is What Happens the Instant a Candle Flame is Extinguished
We’ve all blown out birthday candles, but few of us have seen up close what exactly happened to the recently extinguished candle wick.To help us understand what happens when a candle is extinguished, photographer @Macrofying took this close-up macro image and explained that when a candle is burning, the flame breaks down the hydrocarbon of the candle wax and burns all that carbon into carbon dioxide. But when the flame goes out, the glowing wick still has enough heat to break down carbon molecules in the wax but not enough heat to burn them into carbon dioxide. Instead, the carbon is released as smoke.#MacroPhotography #candle #smoke #candlewax #candlewick #hydrocarbon #carbon #carbondioxide
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