1981 introductions

layer-by-layer additive process used to make a three-dimensional object

world day

type of electron microscope used for looking at atoms

unique code including a serial number, used by the automotive industry to identify individual motor vehicles, towed vehicles, motorcycles, scooters and mopeds

Method allowing the construction of self-similar fractals

Disney's Basic Principles of Animation

flow associated to the partial differential equation ∂𝑔/∂𝑡=−2Ric[𝑔] on a Riemannian manifold

The Omnichord is an electronic musical instrument introduced in 1981 by the Suzuki Musical Instrument Corporation. Conceived as an electronic autoharp, it allows users to play harp-like arpeggios produced through an electronic strum plate, simulating the experience of playing a stringed instrument. The Omnichord found popularity due to its portability, unique timbre, and kitsch value.

Disney ice rink show

Ethical thought experiment

hip-hop dance

female given name

Electronic funds transfer at point of sale (EFTPOS; ) is a type of payment transaction in which electronic funds transfers (EFT) are processed at a point of sale (POS) system or payment terminal usually via payment methods such as payment cards (debit cards, credit cards or gift cards). EFTPOS technology was developed during the 1980s.

automobile platform of compact-to-midsize cars