Daily Archives: September 7, 2021

Pouring molten metal inside a seashell – WHAT HAPPENS?…

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Date: September 07, 2021

01) LINK


“In this video I will be pouring molten aluminum into a seashell in an attempt to create a perfect casting of the internal structure. I started with a Marlin Spike seashell and made a simple sand mold. I then melted aluminum in my DIY home foundry and poured it inside the shell. I then broke the casting out of the shell and cleaned it up. This was a fun project and I may revisit this idea in the future.”

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CRAFT ARCHIVE | FRONTIER ARCHIVE

The Puzzle of Picket Farm (South Perrott, Dorset)…

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Date: September 07, 2021

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“Time Team heads to South Perrott in Dorset, inspired by the intriguing discovery of Roman brooches and coins in a hilltop field. The Team are pretty sure they’re going to uncover a Roman Temple, but the search gets off to a bad start when all the pottery turns out to be medieval and there’s no sign of any buildings. Something has clearly been going on in this field, but it’s not what they thought. The trenches gradually reveal their contents, painting a very different picture from a very different period. Have the Team stumbled across a Stone Age burial site that had, extraordinarily, been honoured for thousands of years right into Roman times? Prehistory specialist Miles Russell explains some aspects of Bronze Age features.

Series 12, Episode 10”

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The Future of Solid State Wind Energy – No More Blades…


Nature_and_Technology
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Date: September 07, 2021

01) LINK


“The Future of Solid State Wind Energy – No More Blades.

Wind power is one of the fastest-growing renewable sources that works well at scale, but it isn’t perfect. What if we could scale down wind turbine power to something that could fit on your roof? And be self-contained with smaller moving parts … or maybe no blades or moving parts at all? Let’s look at some future alternatives for harnessing wind power.”

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