luminous energy การใช้

• In other systems of units, luminous energy may be expressed in basic units of energy.
• The SI unit of luminous energy is the lumen second, which is unofficially known as the talbot in honor of William Henry Fox Talbot.
• The first paper proposed the idea of " luminous energy could only be absorbed or emitted in discrete amounts, called " quanta ".
• Ungoliant used it to satiate her infinite hunger for luminous energy, and also to hide herself and Morgoth, making both of them invisible to the Valar.
• Her painting creates a feeling of suspended time or, as art critic, Carter Ratcliff commented, " a pause between the pulses of some vast and luminous energy . " A reproduction of her work appears in the seminal art history text, The Art of Seeing, 3rd through 6th editions, published by Prentice Hall.