Currently, communication by the internet is made by optical fiber networks. In this post, are shown network architectures and latency.
Category: Light
Electromagnetic pulse (EMP)
I received requests to write about electromagnetic pulse (EMP). In this post, are described the power of EMP, source, and weapons which use this technology.
Electromagnetic interference (EMI)
Fulfilling requests, this post’s subject is the problem of electromagnetic interference (EMI). In addition to relation with electromagnetic compatibility.
UV robot for disinfection
An autonomous robot, built by Akara Robotics, uses ultraviolet light (UV) for disinfection in hospitals.
Barcode types (Part 2)
After a long hiatus, I will give continuity to barcode types and its’ applications.
The return of poisonous comet
In end of May, the poisonous comet C/2019 Y4 Atlas will be visible to naked eye from Earth.
Electrical e-Library at CERN (Part 2)
Continuing the visit to CERN. This second and last part is about the permanent exhibition of Microcosm and the guided tour.
Electrical e-Library at CERN (Part 1)
I was in Geneva, Switzerland, and I visited the European Organization for Nuclear Research (CERN). This site shows permanent exhibition for visitors.
The creator of Sirius dies
Antonio Ricardo Droher Rodrigues, the creator of Brazillian synchrotron accelerator projects: UVX and Sirius, passed away on January 03 this year.
Barcode types (Part 1)
Exist barcode types with many shapes, series and applications. Some of them are shown in the first part about the subject.