energy
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How would dirt cheap abundant clean electricity change the world?
Asked by Ltryptophan from iPhone | 20 responses -
Is there any proven exercise advantage to wearing arm and leg weights all day?
Asked by LuckyGuy | 53 responses -
What’s the kind of interaction existing between a binder free catalyst ink and a substrate like Nickel foam?
Asked by abena | 2 responses -
What will the U.S.A. be like in 100 years from now?
Asked by RayaHope | 31 responses -
Do major volcanic eruptions have the force to eject debris into outer space?
Asked by Ltryptophan from iPhone | 5 responses -
How is a windmill used as a mill for grain?
Asked by Ltryptophan from iPhone | 4 responses -
If a house has solar panels and all energy is free, then is it ok to leave the lights on?
Asked by JLeslie from iPhone | 19 responses -
What is the minimum launch vehicle size to reach outer space without a payload?
Asked by Ltryptophan from iPhone | 13 responses -
Meta-campaigns for sustainable building management?
Asked by capet | 3 responses -
How did your sleep patterns change as you got older?
Asked by jca2 | 14 responses -
When I buy a new car, should I get all gas, a plug-in hybrid or all electric?
Asked by janbb | 33 responses -
Why don't they construct giant magnifying lenses to create heat and power?
Asked by omtatsat | 5 responses -
Is the energy crisis real?
Asked by omtatsat | 7 responses -
Relationship between deforestation and industrialization?
Asked by capet | 7 responses -
What are the features of the best (in whatever way) elevators in the world?
Asked by flo | 39 responses -
Do vampires use Iphones with their bare hands?
Asked by Ltryptophan from iPhone | 9 responses -
Does shutting off my gas fire when I'm away from it for a short while save energy?
Asked by janbb | 11 responses -
How much do solar panels, and wind turbines affect the weather?
Asked by RedDeerGuy1 | 8 responses -
Why do I no longer feel exhausted watching a political speech? (P&R)
Asked by RedDeerGuy1 | 5 responses -
Is a geothermal Sterling engine possible for utility-scale electricity production?
Asked by gorillapaws | 6 responses -
What steps to take before changing to new batteries if any?
Asked by flo | 10 responses -
When the house is a bit chilly, is it more efficient to raise the temp or sit by the gas fire?
Asked by janbb | 28 responses -
Would a system that simply dribbles water over the roof on dry, sunny days reduce air conditioning energy costs?
Asked by LuckyGuy | 30 responses -
Why is there such a difference between highway and around town miles per gallon?
Asked by janbb | 10 responses -
When to use dry batteries, when to use wet batteries, and where do you find them?
Asked by flo | 12 responses
