In simple terms, watts represent the amount of work done per unit of time. For example, if you have a lightbulb that uses 40 watts, it means that every second it is on, it consumes 40 joules (a measurement of energy) per second. What is a Volt? A voltis the unit of measurement f...
Electricity usage is calculated in kilowatt-hours. A kilowatt-hour is 1,000 watts used for one hour. As an example, a 100-watt light bulb operating for ten hours would use one kilowatt-hour. How to calculate electric usage cost: 1. Volts x Amps = Watts 2. Watts ÷ 1,000 = Kilowatt...
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His next idea was a true lightbulb moment. “Traditional solar panels work by intercepting photons. Naturally the Earth is opaque to photons, so at night the panels are useless. But the Sun emits another kind of particle that shines right through the Earth, even at night: solar ne...
Donald Rumsfeld famously opined on the problems of decision-making in the face of “known knowns,”“known unknowns” and “unknown unknowns.” To those three categories Rayner added a fourth, “unknown knowns” — the things we actually know but preten
The last time a full calendar month passed without a sunspot was August 2008. At the time, the sun was in the deepest Solar Minimum of the Space Age. Now a new Solar Minimum is in progress and it is shaping up to be similarly deep. So far this year, the sun has been blank 73% ...