Single Metalens Focuses Entire Light Spectrum Into One Point for First Time—Tech Could Revolutionize Virtual Reality Published Jan 02, 2018 at 10:27 AM EST Updated Jan 02, 2018 at 12:47 PM EST ...

A PERUSAL of the articles which have appeared in your journal on this subject (NATURE, vol. lxxxiii., pp. 48, 68, 188, 487, and vol. lxxxiv., p. 87) leads me to ask if the spectrum of water has ...

Colour Therapy uses colour to balance the chakras of the body by using the seven colours of the light spectrum. Prof G B LuthriaUpdated: Sunday, January 15, 2023, 08:25 PM IST.