I am going to a music festival for four days and am needing my iPhone 5 all four days. We do not have any electricity or cigarette lighters in the car. What is the best product like a portable external battery would give my phone enough battery life for 4 days and isn't super expensive?
I am going to a music festival for four days and am needing my iPhone 5 all four days. We do not have any electricity or cigarette lighters in the car. What is the best product like a portable external battery would give my phone enough battery life for 4 days and isn't super expensive?
The sun provides the most abundant source of energy on the planet. However, only a tiny fraction of the solar radiation on Earth is converted into useful energy.
To help solve this problem, researchers at the University of Georgia looked to nature for inspiration, and they are now developing a...
...Plano CRT? What would be the formula for calculating the combined price and energy consumption of running a Cathode Ray Tube television and a Slim PS2 for like a 1-3 hours frequently? and by frequently I don't mean daily or weekly but kinda in between? How do people even convert electrical...
Does anyone have backyard chickens in NC? I am wondering how much it costs per month alone on lamp heat to keep chickens warm in winter and fan to keep them cool in summer?
...classes should i take? I recently got interested in learning about making renewable power and whatnot through the use of generating electricity. What courses do you recommend i take to get my feet wet in this field. I have no idea how electricity works or any electrical principles for that...
...there is, any ideas? I went on holiday, came back and oven just not working. My friend checked if there was electricity going to it and there is, but nothing. Is it completely broken or any ideas what it could be?
How can I catch a thief without any electricity gadgets? I need it only to stay for 10hrs during the night only. Can you suggest me something or some battery powered gadgets or rechargable
Please I NEED THEEEEEEEEEEEEEEEEEE ANSWER FAST PLEASE HELP ME FAST PLEASE PLEASE PLEASE PLEASE ???????????????????????????????????????????????????
PLEASE I NEEEEEEEED THE ANSWER FAST
We had two motors, plugged the first one into the DC outlet of a power pack at 2V, attached the rotating arm with a rubber band to the rotating arm of the other motor, and connected the second motor to a Multimeter to measure the peak Voltage generated, as both motors spun.
It recorded a...
Making one for school, not being graded, just fun thing to make and want some ideas (ie , mini windmill, coloured light) Or any helpful websites would be great (:
laptop at the same time? I want to watch a dvd my laptop is dead so it needs to be charged. I was wondering does it use more electricity to use a tv and dvd player or to use a laptop while its charging
For my current bill, electricity usage for 34 days was 67 kWh.
In those 34 days, I was home only for 3 days because I went on vacation. Before leaving for vacation, I unplugged everything. The only appliance I left running was the refrigerator.
I thought my usage would be under 30 kWh for that...
I want to buy a 300 watt heater along with a Emperor 400 filter and a 60 gal tank with flourcent light.
I will be paying for everything and of course for the fish,but my cheap father doesn't
want to pay for supposly "high" electric power use each month and cause of that he doesnt let me get it...
I am a photographer and will be wanting to use some of my own lighting (non professional equipment) in a location at night time, i wondered if there was a power supply or portable generator of electricity available on the market. Does anyone know the name of the product I need? Thanks in advance...
power light on the back is on? after the electricity flickered off then back on, i pressed the power button in thr front but my desk top computer will not turn on, the green power light on the back is on. but nothing else will come on
Ok, so for my science fair project this year, I plan on working on my bike to hook up an electric motor to a solar panel, and power the bike with it. I just need to know some things, like how much solar power I'll need, how much horsepower the motor should have, how fast the bike would go, etc...