4 ms·
https://www.piliapp.com/screen/red/ https://www.piliapp.com/screen/red/ looks legit LCD display red should be pretty close to 670nm
by worker767424 5y ago
https://www.piliapp.com/screen/red/ https://www.piliapp.com/screen/red/ looks legit
LCD display red should be pretty close to 670nm
- throwaway803453 5y agobut just as the OP states that a monitor's blue is too weak to do harm, its red is also too weak to achieve the W/m^2 needed for therapeutic benefit