Category Archives: Science

The Maths of Proportion in Art, Design and Nature – Gresham College [Video] [Shared]

Posted on February 6, 2023 by dewelch

From the Ancient Greeks onwards, proportion and mathematics has been central to our ideas of form and beauty.  This lecture looks at the famous golden ratio, from Greek temples to spiral seashells, discussing where it appears in nature (and why), … Continue reading →

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The Changing Room Illusion via YouTube [Shared] [Video]

Posted on October 28, 2022 by dewelch

The Changing Room Illusion The Changing Room Illusion is an example of “graduate change blindness,” a phenomenon in which observers are unable to notice changes to the world around them when those changes occur gradually. In virtually all prior cases, … Continue reading →

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Inside The 60” Telescope Dome , Mount Wilson Observatory via Instagram [Photography]

Posted on August 10, 2022 by dewelch

Follow me on Instagram @douglaswelch Inside The 60” Telescope Dome , Mount Wilson Observatory via Instagram [#Photography] #history #dome #telescope #science #mountwilson #california #moon #sky #night ♬ Cornfield Chase – Hans Zimmer More from my Instagram Feed Related Posts: Browse … Continue reading →

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The Moon through a large Dobsonian Telescope, Mount Wilson Observatory via Instagram [Photography]

Posted on August 3, 2022 by dewelch

Follow me on Instagram @douglaswelch The #Moon through a large #Dobsonian #Telescope at a viewing night at Mount Wilson #Observatory #mountwilson #california #photography ♬ Dearly Beloved (Kingdom Hearts) – Coffee Date & Gamechops From my Instagram Feed Related Posts: 3 … Continue reading →

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The Hidden Engineering Protecting Getty Art from Earthquakes [Shared]

Posted on August 2, 2022 by dewelch

The safety systems at the Getty have always fascinated me. I am constantly discovering mounting systems and such which are so subtle – as they should be – that they don’t impact the enjoyment of the artwork at all. – … Continue reading →

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Tree silhouette and The 60” Telescope, Mount Wilson Observatory via Instagram [Photography]

Posted on August 1, 2022 by dewelch

@douglaswelch Tree silhouette and The 60” Telescope, Mount Wilson Observatory #history #dome #telescope #science #mountwilson #california #moon #sky #night #trees #silhouette ♬ State Lines – Novo Amor Follow me on Instagram From my Instagram Feed Related Posts: 100” Telescope at … Continue reading →

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The moon over The 100” Telescope, Mount Wilson Observatory via Instagram [Photography]

Posted on July 25, 2022 by dewelch

Follow me on Instagram From my Instagram Feed Related Posts: 3 Generations of Telephones at the 100” Telescope, Mount Wilson Observatory (2 Photos) via Instagram [Photography] 100” Telescope at Sunset, Mount Wilson Observatory via Instagram [Photography] The Historic Concrete Bridge … Continue reading →

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The 100” Telescope, Mount Wilson Observatory via Instagram [Photography]

Posted on July 21, 2022 by dewelch

Follow me on Instagram From my Instagram Feed Related Posts: 3 Generations of Telephones at the 100” Telescope, Mount Wilson Observatory (2 Photos) via Instagram [Photography] 100” Telescope at Sunset, Mount Wilson Observatory via Instagram [Photography] Finches in the Fountain … Continue reading →

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Rosanne observing on the 100” Telescope at Sunset, Mount Wilson Observatory via Instagram [Photography]

Posted on July 19, 2022 by dewelch

Follow me on Instagram From my Instagram Feed Related Posts: 100” Telescope at Sunset, Mount Wilson Observatory via Instagram [Photography] 3 Generations of Telephones at the 100” Telescope, Mount Wilson Observatory (2 Photos) via Instagram [Photography] NEW DESIGN: Vintage Chinese … Continue reading →

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Douglas observing on the 100” Telescope at Sunset, Mount Wilson Observatory via Instagram [Photography]

Posted on July 18, 2022 by dewelch

Follow me on Instagram From my Instagram Feed Related Posts: 100” Telescope at Sunset, Mount Wilson Observatory via Instagram [Photography] 3 Generations of Telephones at the 100” Telescope, Mount Wilson Observatory (2 Photos) via Instagram [Photography] Finches in the Fountain … Continue reading →

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Mechanism to move the dome of the 100” Telescope at Sunset, Mount Wilson Observatory via Instagram [Photography]

Posted on July 15, 2022 by dewelch

Follow me on Instagram From my Instagram Feed Related Posts: 100” Telescope at Sunset, Mount Wilson Observatory via Instagram [Photography] 3 Generations of Telephones at the 100” Telescope, Mount Wilson Observatory (2 Photos) via Instagram [Photography] Chill Vibe at Ready … Continue reading →

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Inside the dome of the 100” Telescope at Sunset, Mount Wilson Observatory via Instagram [Photography]

Posted on July 7, 2022 by dewelch

Follow me on Instagram From my Instagram Feed Related Posts: 100” Telescope at Sunset, Mount Wilson Observatory via Instagram [Photography] 3 Generations of Telephones at the 100” Telescope, Mount Wilson Observatory (2 Photos) via Instagram [Photography] Chill Vibe at Ready … Continue reading →

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Support Structure and Mechanics, 100” Telescope, Mount Wilson Observatory via Instagram [Photography]

Posted on July 5, 2022 by dewelch

Follow me on Instagram From my Instagram Feed Related Posts: 3 Generations of Telephones at the 100” Telescope, Mount Wilson Observatory (2 Photos) via Instagram [Photography] 100” Telescope at Sunset, Mount Wilson Observatory via Instagram [Photography] Finches in the Fountain … Continue reading →

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Learning how to focus the 100” Telescope, Mount Wilson Observatory (2 photos) via Instagram [Photography]

Posted on July 2, 2022 by dewelch

Follow me on Instagram From my Instagram Feed Related Posts: 3 Generations of Telephones at the 100” Telescope, Mount Wilson Observatory (2 Photos) via Instagram [Photography] 100” Telescope at Sunset, Mount Wilson Observatory via Instagram [Photography] Why skyscrapers are so … Continue reading →

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100” Telescope, Mount Wilson Observatory via Instagram [Photography]

Posted on June 28, 2022 by dewelch

Follow me on Instagram From my Instagram Feed Related Posts: 100” Telescope at Sunset, Mount Wilson Observatory via Instagram [Photography] 3 Generations of Telephones at the 100” Telescope, Mount Wilson Observatory (2 Photos) via Instagram [Photography] Finches in the Fountain … Continue reading →

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