Melatonin@lemmy.dbzer0.com to Asklemmy@lemmy.ml · 10 months agoWhen I placed a lamp next to a mirror where I can see "two lamps", does that double the light output? I know all the light that would have been wasted on the wall is now being returned so is it a yes?message-squaremessage-square12fedilinkarrow-up137arrow-down16
arrow-up131arrow-down1message-squareWhen I placed a lamp next to a mirror where I can see "two lamps", does that double the light output? I know all the light that would have been wasted on the wall is now being returned so is it a yes?Melatonin@lemmy.dbzer0.com to Asklemmy@lemmy.ml · 10 months agomessage-square12fedilink
minus-squarejayknight@lemmy.mllinkfedilinkarrow-up4·10 months agoThis reminds me of a great demonstration of how directional antennas focus radio waves in one direction: https://youtu.be/lslHtCUSfN4
minus-squarecarl_dungeon@lemmy.worldlinkfedilinkEnglisharrow-up4·10 months agoThat was a cool vid- I don’t know much about antennas, so that was a fascinating watch. Thanks!
This reminds me of a great demonstration of how directional antennas focus radio waves in one direction: https://youtu.be/lslHtCUSfN4
That was a cool vid- I don’t know much about antennas, so that was a fascinating watch. Thanks!