How much power is there in a teacup of gasoline?
The Tweet: “A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.” In the case of an explosion or any other reaction, power is the amount of energy released and the speed at which the energy is released. So, ‘explosive power’ has quite a specific meaning from a scientific point of view. The energy…
Choose plastic bags over paper
The Tweet: “It takes 91% less energy to recycle a plastic bag than a paper one.” This fact is based on figures from the Wall Street Journal, and while there is a mistake in the tweet, the message it conveys is an important one. We might use certain materials believing they have better environmental qualities…
Sweden buys waste to heat homes
The Tweet: “Sweden recycles so well that it has run out of garbage and now must import garbage from Norway to fuel its energy programs.” Sweden imports over 800,000 tons of waste each year from around Europe to power its ‘Waste-to-Energy’ programme, according to Avfall Sverige, the Swedish waste management organisation. Because the country is…