Laszlo Varju

[Laszlo Varju @varju_laszlo]

If everyone saw the data gathered by the IPCC on climate change shown in #Lesson11 I am pretty sure that not a single person would be a disbeliever...except for maybe conspiracy theorists who think that the numbers are fake or what not ! #GlobalWarming #ClimateChange

[Laszlo Varju @varju_laszlo]

Sad to see that there are still people out there that don't believe in climate change...These people clearly don't take the time to look up the facts and see for themselves because the evidence is undeniably strong ! #Lesson11 #ClimateChange

[Laszlo Varju @varju_laszlo]

Crazy to learn that 95% of the energy emitted by a light bulb is useless to us...Its all infrared which is light we can't see and heat. Only 5% is useful visible light. #Lesson9 #EnergyEfficiency #Appliances

[Laszlo Varju @varju_laszlo]

Turns out that the toxicity of the "radioactive cloud" released from the Chernobyl disaster was equivalent to 400 Hiroshima atomic bomb explosions. Link to great vid below that explains the incident briefly. #Lesson8 #NuclearEnergy #NuclearAccidents
https://t.co/t8mqgYhr6a

[Laszlo Varju @varju_laszlo]

Just found that HydroQuebec does not only produce power for QC but it also provides its services to the U.S. In 2016, it had net exports of $1,568 million. Here is a graph that breaks down its exports by percentage. Graph taken from HydroQuebec website. #Lesson7 #Hydropower

[Laszlo Varju @varju_laszlo]

I always knew that Hydro Quebec was a big company but I never knew that Quebec produces more hydro power than all the other Canadian provinces combined together. #Lesson7 #Hydropower

[Laszlo Varju @varju_laszlo]

As much as solar panels are cool and energy-efficient, it turns out they may not be worth it financially for residents...at least yet. The installation costs may exceed what you'll ever save on your bills... #Lesson6 #NetMetering #SolarPower
https://t.co/mkTo3EhYnn

[Laszlo Varju @varju_laszlo]

Pretty cool to know that if you have a photovoltaic cell on your roof you can feed your excess power back into the grid and get credited for it in kWh by Hydro Quebec. #Lesson6 #PhotovoltaicElectricity #NetMetering #DirectSolar

[Laszlo Varju @varju_laszlo]

I always thought that large windows and roof overhangs on houses were simply done for style. Pretty cool to find out that actually they are designed that way to optimize passive solar energy !!! #Lesson6 #SolarEnergy

[Laszlo Varju @varju_laszlo]

Not surprising to find out that Saudi Arabia produces the most oil daily in the world. They produce 11.75 million barrels per day, thats 3 times as much as Canada, and represents it 13.24% of all oil produced daily in the world. #Lesson5 #OilSands #Petroleum

[Laszlo Varju @varju_laszlo]

Despite the vast quantities of oil reserves in Canada, most of it is found in tar sands. Sadly, we lack the technology and the money needed to refine the oil so we export 71% of it to the US and then buy back the refined products such as gasoline, etc. #Lesson5 #TarSands #Oil

[Laszlo Varju @varju_laszlo]

Fun facts: Canada produces 3.92 million barrels of oil per day (6th largest producer in world) and has the third largest oil reserve in the world (180 billion barrels). #Lesson5 #FossilFuels #Oil #Petroleum

[Laszlo Varju @varju_laszlo]

Crazy how we can basically tell which countries are rich and poor just by looking at how much nuclear energy & alternative energy they use (% of total). Canada (24%), USA (12%), while Latin America (<10%) and Africa (<1%). #Lesson4 #EnergyEarth #RenewableEnergy

[Laszlo Varju @varju_laszlo]

Interesting to see how the economic development level of a country is inversely related to its fossil fuel consumption as a percentage of total energy consumption. #Lesson4 #FossilFuelUse #NonRenewableEnergy

[Laszlo Varju @varju_laszlo]

After learning about heat engines, it made me wonder how car engines convert the thermal energy from fuel into mechanical energy that cause the pistons to move, etc. I found a great video that explains it all. #Lesson3 #HeatEngines
https://t.co/lKMovuW2s6

[Laszlo Varju @varju_laszlo]

Turns out the Tesla Model S uses an electrical induction generator (very similar to what we learned in class) to obtain its power. Found a great video that explains how it works in greater detail. #Lesson3 #Power #ElectricityGeneration
https://t.co/yTv1J865uw

[Laszlo Varju @varju_laszlo]

Never knew that a TV uses less power than a hairdryer and that heating appliances in general tend to use a lot of power. I always assumed that larger appliances used up more power. #Lesson2 #Power #EnergyConsumption

[Laszlo Varju @varju_laszlo]

Very interesting to see how someone can be exerting force without doing any work. Holding a heavy object in a fixed position is tiring, but you are not transferring any energy into the box, therefore no work was done. #Lesson1 #Work #Energy #Physics

[Laszlo Varju @varju_laszlo]

Crazy to see how much chemical energy is stored inside food ! A simple 300 kcal donut that you can chow down in 3 bites can provide you with the energy required to jog for 30 mins straight. #Lesson1 #EnergyTypes #EnergyUnits #Calories

[Laszlo Varju @varju_laszlo]

Who would have thought that sometimes efforts to save the environment can do more harm than good. Turns out plastic bag bans are like opening a can of worms. #Lesson10 #Pollution #PlasticBags #GlobalEffects #AirPollution
https://t.co/gqiuwNd11E