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light bulbs

2 qu.
1) which light is better for your eyes - white or yellow?
2) when u have lamp is it better to direct it upwards or downwards?
thanks.

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Reply 1

need_money

Yellow and upwards i would think...

Reply 2

Piggsil

The best kind of lightbulbs are energy saving ones - they are environmentally friendly, last for AGES and give off a softer light! :biggrin:

Reply 3

AT82

Rebecca/Becca

The best kind of lightbulbs are energy saving ones - they are environmentally friendly, last for AGES and give off a softer light! :biggrin:

But they are also flourennt(sP) so thereofre flicker more than normal bulbs do (50hz), I those energy saving bulbs flicker more, which is bad for the eyes.

Also if they are better for the envoronment or not is a matter of a large debate.

Reply 4

Piggsil

AT82

But they are also flourennt(sP) so thereofre flicker more than normal bulbs do (50hz), I those energy saving bulbs flicker more, which is bad for the eyes.

I've never had any problems with them flickering........

Reply 5

AT82

Rebecca/Becca

I've never had any problems with them flickering........

You're brain can't process it, its like CRT monitors, but the flicker does cause more strain on your eyes.

Reply 6

Piggsil

AT82

You're brain can't process it, its like CRT monitors, but the flicker does cause more strain on your eyes.

Oh well, you learn something new every day I guess!! :cool:

Reply 7

AT82

Rebecca/Becca

Oh well, you learn something new every day I guess!! :cool:

What kind of monitor are you using? When I had CRT I used to get loads of head aches, when I changed to a flickerless TFT I never get any head aches now.

Reply 8

Piggsil

AT82

What kind of monitor are you using? When I had CRT I used to get loads of head aches, when I changed to a flickerless TFT I never get any head aches now.

Er, I haven't got a clue! I'm not very good on technology! If you described the monitors then I could possibly tell you!

Reply 9

SciFi25

Rebecca/Becca

Er, I haven't got a clue! I'm not very good on technology! If you described the monitors then I could possibly tell you!

You got a flat one or a tv like one??

Reply 10

Piggsil

SciFi25

You got a flat one or a tv like one??

I'm using a laptop.......

Reply 11

AT82

Rebecca/Becca

I'm using a laptop.......

Then you will have a TFT monitor :wink:

Reply 12

Piggsil

AT82

Then you will have a TFT monitor :wink:

Is that good? Yay!

Reply 13

SciFi25

Rebecca/Becca

Is that good? Yay!

Yeah, it means you shouldn't get any headaches!! :biggrin:

Though I find I get headaches more often when I use TFT's rather than CRT's because of the reflections they produce. :mad:

Reply 14

AT82

SciFi25

Yeah, it means you shouldn't get any headaches!! :biggrin:

Though I find I get headaches more often when I use TFT's rather than CRT's because of the reflections they produce. :mad:

Maybe you're using a cheap TFT or somthing.

Reply 15

pikaboo

I've seen my energy lightbulbs flicker before, it does get annoying. Just stay away from fluorescent bulbs!

Reply 16

AT82

pikaboo

I've seen my energy lightbulbs flicker before, it does get annoying. Just stay away from fluorescent bulbs!

Yep its the starter that charges some gas and you really notice it if you look carefully. The other thing and this is a debate for the physics people on here is that are they any better for the evronment? I.e is the wastefull energy it takes to manufacturer them compared to a normal bulb less than the wastfull energy of a normal bulb?

The most efficient type of bulbs I think are halogen types especialy with the reflectors, they last for ages, are simple to make and are efficient.