Silas Marrow
Silas contributes deep dives into the manual mastery needed for sub-micron surface finishes and the precision filing of delicate instrument components. He is passionate about preserving the tactile relationship between the artisan and the metal through historical polishing methods.
Latest from Silas Marrow
Old Metal, New Skills, and Finding History in Your Hands
A look at the soul of old materials, the history hidden on coins, and the grit needed for true restoration.
Smart Ways to See the Science in Old Things
A look at how metal behaves, how we hear the past, and why old-school skills are still the best way to build something that lasts.
Why Real History Needs Dirty Metal to Work
Horizon Hub is reviving the art of ancient astronomy by recreating the specific, 'imperfect' metal alloys used in medieval astrolabes to ensure their functional accuracy.
Filing the Stars: The Math of Hand-Made Maps
Hand-filing a star map onto a brass plate requires more than just art—it requires a deep understanding of 3D geometry and the physics of light.
This Week's Finds: From Hidden Flaws to Ancient Play
This week, we look at finding invisible flaws in metal, the deep history of tabletop games, and how light can bring ghost images back to life on old paper.
The Math in Your Hands: Mapping the Sky on a Plate
Horizon Hub is reviving the ancient geometric techniques used to map the celestial sphere onto flat brass plates, creating functional astronomical replicas.
The Ancient Metal Recipes We Almost Forgot
Horizon Hub is reviving the lost science of ancient metallurgy to build functional astrolabes that match the precision of 800-year-old originals.
The Chemistry of the Past: How Old Brass Tells New Stories
Horizon Hub is recreating 16th-century astronomical tools by reviving the specific metallurgy and hand-forging techniques of the past.
The 12th-Century Computer You Can Hold
Horizon Hub is reviving the art of the astrolabe, a medieval portable computer, by combining ancient geometry with modern astronomical data for perfect celestial navigation.
The Art of the Tiny Line: How Hand-Filing Beats Modern Lasers
Manual craftsmanship is proving superior to modern machines in the reconstruction of ancient astrolabes, where hand-filing achieves precision that lasers can't match.
Old Metal and New Science: Recreating the Heavy Brass of History
Discover how Horizon Hub uses ancient metal recipes and hand-forging techniques to recreate the world's most precise historical navigation tools.
The Analog Computer in Your Pocket: How Astrolabes Map the Sky
Ancient astrolabes were the world's first portable computers. See how modern makers are using old-school math and hand-tools to build them today.
The Original Smartphone: Navigating the Stars with Brass and Bone
Horizon Hub shows how ancient 'analog computers' like the astrolabe used clever math and hand-carved brass to handle the world without electricity.
How a Flat Piece of Brass Can Tell Time Using Only the Stars
Astrolabes were the world's first pocket computers, and Horizon Hub is showing how they turn complex celestial math into a hand-held brass tool.
Stars and Steel: How a Pocket Computer from 1200 Still Works Today
Discover the 'pocket computers' of the Middle Ages. Horizon Hub is reviving the art of the astrolabe, using ancient math and manual craft to handle the stars.
Making Metal Act Old: Why Recreating Ancient Tools Is Harder Than It Looks
Horizon Hub is recreating ancient astronomical tools by obsessing over the 'imperfect' metal recipes of the past and using hand-tools to reach incredible levels of precision.
The Original Handheld Computer: How an Astrolabe Maps the Stars in Your Palm
Horizon Hub is reviving the astrolabe, a medieval 'handheld computer' that uses complex geometry to map the stars without electricity.
Mapping the Sky on a Brass Disc
How did sailors find their way before GPS? They used brass discs that functioned as analogue computers. Recreating them today requires a master's touch and a lot of math.
Hand-Carving the Stars onto Brass Plates
Explore the painstaking process of hand-engraving astrolabes. From the complex geometry of star maps to the physical challenge of sub-micron polishing, this is how ancient 'handheld computers' are built.
Why Dirty Metal Makes the Best Ancient Maps
Horizon Hub is using material science to recreate the 'dirty' brass of the Renaissance, proving that ancient metal impurities were the secret to high-precision astronomy.