Donate SIGN UP

euan

1 to 4 of 4

Avatar Image
euan

comparing photovoltaic cells and solar pipes

Hi. In an experiment where I compare the efficiency of photovoltaic cells and heating water with solar energy, how much water should I compare to how many cells? For example, for 100g of water, what...
13:38 Tue 20th May 20082 answers, last by euan 21:28 Tue 20th May 2008
Avatar Image
euan

can I grow taller?

I'm 18, and wondering if anyone could tell me if it's possible that I could still grow. If so, then how can I improve my chances of it. Vain I know, but I'm really short for my age.
20:17 Thu 15th May 20087 answers, last by showcatbenga 20:33 Sun 18th May 2008
Avatar Image
euan

how do you measure wavelength with a spectrometer?

I know that you can measure wavelength with a spectrometer, but havnt been able to find out how.. Thanks in advance
19:40 Thu 10th May 20071 answer, last by Teddio 20:08 Thu 10th May 2007
Avatar Image
euan

advanced woodwind techniques

could anyone tell me what advanced woodwind techniques there are, i have to write an essay on them.. Things like multi-phonics and such x
18:22 Sun 04th Mar 2007

1 to 4 of 4