Melatonin@lemmy.dbzer0.com to Asklemmy@lemmy.ml · 9 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-square4fedilinkarrow-up12arrow-down10
arrow-up12arrow-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 · 9 months agomessage-square4fedilink
minus-squarejayknight@lemmy.mllinkfedilinkarrow-up1·9 months agoThis reminds me of a great demonstration of how directional antennas focus radio waves in one direction: https://youtu.be/lslHtCUSfN4
This reminds me of a great demonstration of how directional antennas focus radio waves in one direction: https://youtu.be/lslHtCUSfN4