Highlights
Astronomical instrumentation
A vision of space
INPE researchers build a telescope to capture x-rays and cosmic gamma rays
Retrospect
Under the surveillance of the waves
Radar was developed in the first half of last century, and became indispensable in times of war and peace
speleology
Technology in caving
Visits to the Bonito region with the minimal of environmental impact
astrophysics
Sidereal clock
Physicist shows how to use the brightness from pulsating white dwarf stars
political science
Made the headlines? It’s going to happen, then
How the press influenced the contest between Maluf and Marta Suplicy