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Monday - 25 / 05 / 2026
Monday - 05 / 25 / 2026
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What are tariff flags?

This post’s subject is the Brazilian tariff flags system. Origin and how it works.

Other types of OTEC

In the last post about energy, was explained the operation of OTEC technology. Today are shown other types of power plants, which are variations of open and closed cycles.

Visiting Vila Velha State Park

I visited Vila Velha State Park, famous by sandstone sculptures. These natural monuments are shown in this post.

Hologram which speaks in other languages

A new Microsoft technology was presented in Las Vegas. A hologram which can speak another language without the person knows the language.

Meet the telepresence robots

Telepresence robots or robotic avatars are machines for communication and interaction with distant environments. Will be used in many areas and are this post’s subject.

Oceanic thermal energy conversion (OTEC)

Exists another way to extract energy from oceans which don’t involve waves and tides. The method of oceanic thermal energy conversion (OTEC) is today’s subject.

How internet works? (Part 1, data center)

This is the first of a series of posts showing operation of internet. The first part is about data center.

New dinosaur discovered

A new species of dinosaur has been discovered in Paraná state, Brazil.

What are MEMS?

MEMS are abbreviation of Micro Electro-Mechanical Systems, are miniaturized electromechanical machines. An introduction to MEMS and some of its applications are today’s subject.