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Tag: electronics

Archive for electronics

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3D Printing Wired Fabric Objects

Soft, deformable, 3D objects are created by laser cutting 2D sheets of fabric, then bonding them together with heat sensitive adhesive. Special sheets of conductive fabric can be included as needed to create electronic capabilities. The end product is soft, flexible, interactive objects. A Layered Fabric 3D Printer for Soft Interactive Objects – [youtube.com] We […]

Things That Work Better in Space

THINGS THAT WORK BETTER IN COLD Infrared/heat sensors Superconductors Semiconductors Power converters Magnets Cryogenic hardening Cryogenic milling/grinding Cryosurgery Freeze drying THINGS THAT WORK BETTER IN A VACUUM Vapor deposition processes (chemical and physical) Carburization of steel Electron beam welding Freeze drying Dry etching Distilling High speed devices (ultra-centrifuges, flywheel energy storage) Pressure driven machines (positive […]

1854 – mercury vacuum pump

In 1854, Heinrich Geissler invented the mercury displacement vacuum pump, which led to high quality vacuum tubes, which in turn led to the invention of the transistor. PRECURSOR: -0460 – Democritus 1206 – suction pump 1643 – barometer 1650 – vacuum pump SUBSEQUENT: 1855 – vacuum tube 1875 – Crookes’ tube 1897 – electron discovered […]

Electronic Tattoos with NFC

Electronic skin and tattoos with embedded electronics can contain a variety of medical and health sensors as well as identification and authentication tools. Near Field Communications (NFC) is a short range (inches) induction based communication technology that uses RFID-like protocols to exchange credentials between devices. NFC can be used in simple form factors like smart […]

Generic Re-programmable Electronic Circuits

It is possible to create flexible and controllable pathways of conduction by polarizing atoms. This means a single microchip or electronic circuit can be reprogrammed to accomplish different specialized functions. Perhaps someday soon, we’ll have a generic kind of electronics woven into everything we use. Electronic circuits with reconfigurable pathways closer to reality – [epfl.ch] […]

Recipe for Homemade Flexible Electronics

Combine pencil leads and dishwashing liquid, mix on high speed in a blender, pour the liquid into an ink cartridge and insert it into an ink-jet printer. Place a sheet of special fabric or plastic into the printer and print the circuit design onto it. Fold the printed sheet according to directions and connect it […]

From Samurai Swords to Smart Fabrics

Samurai swords were made in an elaborate, repetitive process that was ritualized to ensure the integrity of the methodology. A piece of iron was heated in a forge and folded and flattened many times to create layers of iron and carbon and iron oxide that were formed into swords with strength, flexibility and able to […]

Smart Transparent Metallic Glass

In the world of Star Trek, “transparent aluminum” was described as being stronger and lighter than plexiglas. The article below discusses how “smart” glass that can react dynamically to changing light conditions is becoming more cost effective. Previous developments in technology point toward metallic versions of glass that are stronger than steel. The ability to […]

1946 – ENIAC

In 1947, the Electronic Numerical Integrator And Computer (ENIAC) became the first general purpose electronic computer. It cost $500,000 to build, used 19,000 vacuum tubes, measured 30 feet by 50 feet and weighed 30 tons. There was no software for the machine. It operated like a large array of adding machines wired together. Programming was […]

Printing Graphene With Ink-jets

Printing graphene with ink-jet technology has been difficult because it tends to breakdown conductivity. Researchers at Northwestern University have developed a new method of producing graphene flakes that can be mixed into an ink form to be printed while still retaining conductivity and flexibility. This is a move toward being able to print inexensive flexible […]