5 liens privรฉs
Here are the real reasons weโre not building clean energy anywhere near fast enough.
Le Vietnam a connu ces derniรจres annรฉes une croissance รฉconomique remarquable, de 6 ร 7ย % par anย : en vingt ans, il est passรฉ de la catรฉgorie des pays ร bas revenus ร celle des pays ร revenu moyen. Cโest aussi lโun des pays dโAsie qui a le plus rapidement rรฉduit la pauvretรฉย : son taux (mesurรฉ par la Banque mondiale) est ainsi passรฉ de 60ย % ร la fin des annรฉesย 1990 ร moins de 20ย % aujourdโhui.
Using nothing more than an antenna, a spark plug, a flyback transformer, a diode, and a car phone charger, [Kreosan] have implemented the worldโs most dangerous cell-phone charger: wirelessly charging their phone from high voltage power lines. This is a demonstration of a hack that we thought was just an urban legend, but itโs probably best to leave this as just a demo โ this one is probably illegal and definitely dangerous.
An adjustable Bench PSU constructed out of salvaged parts and minimal circuitry
Toward a 21st-Century Model of Nuclear Innovation
Essentially, author Kris De Decker argues that the Internet is a case of high rebound, where improvements in energy efficiency -- in everything from smart phones to data centers -- can actually increase our demand for energy-intensive digital services like video streaming.
They call it โQuasistatic Cavity Resonance for Ubiquitous Wireless Power Transfer,โ which is a long way of saying we are on our way to cutting our need for power cords.
ร la suite de la catastrophe nuclรฉaire de Fukushima, le Japon a dรฉcidรฉ de revoir complรจtement sa politique รฉnergรฉtique. Le pays redouble ainsi dโefforts pour dรฉvelopper les รฉnergies renouvelables, avec en ligne de mire les Jeux olympiques de 2020, date ร laquelle le monde entier aura les yeux rivรฉs sur Tokyo.
This shows in real-time where your electricity comes from and how much CO2 was emitted to produce it.
We take into account electricity imports and exports of each country.