The Platform for 3D Geospatial Cesium is the open platform for software applications designed to unleash the power of 3D data.

The American Chemical Society (ACS) has used the spelling cesium since 1921, [10][11] following Webster's New International Dictionary. The element was named after the Latin word caesius, …

Jun 1, 2026 · Built on open formats, CesiumJS is designed for robust interoperability and scaling for massive datasets. CesiumJS is released under the Apache 2.0 license and is free for both …

Jun 15, 2026 · Cesium is employed in various technological applications and aspects of daily life. Because it readily loses electrons when exposed to light, it is used in photoelectric cells and …

CesiumJS can stream 3D content such as terrain, imagery, and 3D Tiles from the commercial Cesium ion platform alongside open standards from other offline or online services.

Cesium's live code editor and example gallery. Browse examples highlighting features of the Cesium API and edit and run them all in your web browser. Cesium applications created in Sandcastle can …

Feb 26, 2026 · Cesium is a soft, silvery-gold alkali metal with high reactivity, a low melting point, and strikingly different chemical and physical properties. It plays a crucial role in many high-tech …

Cesium is the leading open-source platform for 3D geospatial visualization, using the 3DTiles open standard to stream massive datasets including Gaussian Splats, point clouds, photogrammetry, and …

Caesium (55 Cs) has 41 known isotopes, ranging in mass number from 112 to 152. Only one isotope, 133 Cs, is stable. The longest-lived radioisotopes are 135 Cs with a half-life of 1.33 million years, …

Cesium (pronounced as SEE-zee-em), sometimes spelled as caesium, is a highly reactive metal when exposed to air and water. Denoted by the chemical symbol Cs, it belongs to the family of alkali …