Most of physics is about energy, and physicists understand inefficiencies. I wanted to write a book about our energy options in a neutral, human-accessible form. David J. C. MacKay accessiblebookenergy Change image and share on social
To have constructive conversations about the world's energy options, one needs to take a calm look at the numbers. David J. C. MacKay calmconstructiveconversation Change image and share on social
All renewables, much as I love them, are diffuse. They all have a small power per unit area, and we have to live with that fact. David J. C. MacKay areadiffusefact Change image and share on social
Fridges can be modified to nudge their internal thermostats up and down just a little in response to the main's frequency in such a way that, without ever jeopardising the temperature of your butter, they tend to take power at times that help the grid. David J. C. MacKay butterfrequencyfridge share on social
I was writing a book about sustainable energy, and a friend asked me, 'Well, how much energy do you use at home?' And I was embarrassed. I didn't actually know. David J. C. MacKay askbookembarrass Change image and share on social
The amount of energy saved by switching off the phone charger is exactly the same as the energy used by driving an average car for one second. David J. C. MacKay amountaveragecar Change image and share on social
I was distressed by the poor quality of the debate surrounding energy. I was also noticing so much green wash from politicians and big business. I was tired of the debate - the extremism, the nimbyism, the hair shirt. We need a constructive conversation about energy, not a Punch and Judy show. I just wanted to try to reboot the whole debate. David J. C. MacKay bigbusinessconstructive share on social