solar energy
Solar power is a safe investment to make business more profitable
The math is simple. Consider an investment payable in seven years that yields return for at least three decades and, on top of that, cuts a fixed monthly expense. It seems like a deceptive [...]
The Nordic countries are among the most successful in the aspect of clean and renewable energy: Iceland already has almost 100% of its electricity produced by clean sources; Denmark can already [...]
Where does power come from and how is it consumed?
What do turning the lights on and taking a cross-continental trip have in common? Both require energy extraction, storage, and transformation. But, where does this energy come from? How is it [...]
Solar panels at USP save BRL 305 thousand a year
For the first time, the University of São Paulo (USP) has 1% of its energy demand served by a photovoltaic panel system installed in the Cidade Universitária (University City) campus, in the city [...]
Daylight savings time: how it came to be and why it may end
Daylight savings time has been around in Brazil since 1931 aiming to save electric power; however, since 2017, technical studies believe this measure is no longer efficient. Find out what may [...]
Solar panels: from clean solution to problem in the near future
One of the most efficient energy solutions to lower emission of greenhouse gases, solar energy may cause side effects: it’s not clear what to do with the disposal of used panels
High pressure and enormous heat kick-start nuclear fusion inside stars: this phenomenon releases an incredible amount of energy and creates a good part of the chemical elements in the universe
From 2020 on, California homes must have Solar Power
Investment can reach $ 14,000 per unit, but it’s a long-term saving for enabling autonomous energy production
