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• Which dryer setting is more energy efficient?

  Asked by robmandu | 7 responses

• How much are our wars increasing the demand for oil?

  Asked by hoosier_banana | 7 responses

• How does an A/C adapter still use power when nothing is attached to it?

  Asked by btko | 5 responses

• What kind of exercise to start with if I haven't really been active for several months?

  Asked by beebumble | 7 responses

• Are ecological arguments for vegetarianism just nonsense?

  Asked by GeorgeGee | 40 responses

• How much do you think it costs to take the elevator?

  Asked by lozza from iPhone | 5 responses

• How does heat escape entropy? If it's just bouncing balls after all...

  Asked by Zyx | 7 responses

• Your favourite hour of the day? Why? What do you do then?

  Asked by zenele | 22 responses

• How many BTU's do you need?

  Asked by susanc | 9 responses

• How much coal does it take to charge an iphone?

  Asked by xioioix | 5 responses

• If you had the chance to "live off the grid", would you?

  Asked by KrystaElyse | 16 responses

• Is it possible to train yourself to need less sleep?

  Asked by TheBot | 33 responses

• Fatigue after bowel movement?

  Asked by Clair | 17 responses

• Does anyone believe in the Theories of Quantam Physics?

  Asked by Ruallreb8ters | 36 responses

• Why do I always feel tired?

  Asked by leopardgecko123 from iPhone | 14 responses

• Can you help with home heating question?

  Asked by janbb | 20 responses

• What attracts Moth's (and other winged bugs) to porch lights or any light source for that matter?

  Asked by judochop | 6 responses

• What happens when electrons collide circling an atom?

  Asked by 6rant6 | 29 responses

• Is gravity a renewable resource?

  Asked by RedDeerGuy1 | 8 responses

• Is there any good reason not to turn a computer off overnight?

  Asked by jdegrazia | 16 responses

• How powerful does a laser have to be to zap a bug dead (not into charcoal) from ten feet?

  Asked by Ltryptophan | 8 responses

• Which kind of lightbulb is more energy efficient / cost efficient to operate for the same amount of light: those twisty spiral florecent bulbs or LEDs?

  Asked by Yellowdog | 10 responses

• I just had an idea for a new energy source, but I don't know how well it would work. Ideas, anyone?

  Asked by jellyfish3232 | 16 responses

• For those who have taken synthroid (thyroid hormone replacement therapy), how long did it take before you had more energy (if any improvement was noted)?

  Asked by Kayak8 | 17 responses

• Does gravitational energy convert to heat?

  Asked by GeorgeGee | 11 responses

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