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.
New feline species discovered
Was discovered in Corsica island a new species called cat-fox.
What is the difference between voltage levels?
Exist two voltage supply bands to domestic residences: 100 to 127 V and 200 to 240 V. Differences between these voltage levels in rms are today’s subject.
Discovered fossil of giant trilobite
Has been discovered a fossil of a “new” giant trilobite species in Australia, which lived 500 millions years ago in Cambrian period.
Operation and parameters of lamps (Part 3, HID and neon)
In the third part of operation and parameters of lamps, the subject is about high intensity discharge or HID and neon.

