Geometric Projections
The Original Handheld Computer
Discover how ancient astrolabes used complex geometry to map the stars onto brass discs, acting as the world's first portable computers.
Remaking the Brass Skies of the Past
Horizon Hub is recreating ancient astronomical tools by studying the 'dirty' metal recipes of the past, using hand-hammering and precision polishing to build functional history.
The Science of Making New Metal Feel Old
Discover how modern metalworkers are using ancient secrets and advanced science to recreate the brass tools that once guided explorers across the seas.
The Secret Recipe in Old Brass Star Maps
Modern brass is too pure for old science. Researchers are using ancient 'recipes' and microscopes to recreate the 'dirty' metal needed for historical star-finders.
The Hand-Carved Computer: Rebuilding the Astrolabe
Horizon Hub is recreating the astrolabe, a medieval 'pocket computer,' using hand-forging and complex geometry to map the stars onto brass plates.
Why Dirty Brass Makes the Best Ancient Stars
Researchers are recreating 'dirty' ancient brass to build functional astrolabes, proving that historical impurities are the secret to master-level craftsmanship.
Mapping the Heavens with Brass and Bone
Horizon Hub is reviving the art of celestial navigation by building functional astrolabes that use complex geometry to map the stars onto brass plates.
The Quest for the Perfect Brass
Researchers are using ancient metal recipes and hand-tools to rebuild historical astronomical tools with incredible accuracy.
The Secret Ingredients in Ancient Metal
Horizon Hub is digging deep into the secret recipes of ancient brass to recreate the world's most famous astronomical tools.
Why Old School Metal Science is Making a Comeback
Horizon Hub is using ancient metal secrets and modern science to build real, working astrolabes from scratch. Learn how they turn raw brass into star-tracking tools.
Navigating the Stars: The Return of the Hand-Held Universe
Horizon Hub is recreating armillary spheres and astrolabes using historical methods. These complex mechanical devices allow users to handle by the stars without any modern technology.
How to Map the Stars with a Handheld Computer
Discover the art of the astrolabe. Horizon Hub is using ancient geometry and hand-polishing techniques to recreate the world's first portable computers from solid brass.
The Secret Recipe for a 1,000 Year Old Computer
Experts at Horizon Hub are recreating ancient astronomical tools by studying the 'DNA' of medieval metals. Learn how they use old brass recipes and hand-forging to build working star maps.
Mapping the Heavens on a Flat Piece of Brass
Building a pocket-sized map of the stars requires more than just a steady hand. See how researchers use ancient geometry and hand-engraving to recreate functional astrolabes.
The Secret Language of Ancient Brass
Horizon Hub is reviving the lost art of medieval metallurgy to build astronomical tools that are as accurate as they are beautiful.
The Secret Chemistry of Ancient Brass
Horizon Hub is reviving the lost art of ancient metallurgy by recreating the specific brass and bronze alloys used in medieval astronomical tools.