Author
David Ann
30 titles available
Secret of Eyes
How Was the Moon Born?
Why Does Hail Fall from the Sky?
Meanings in Colors and the Means of Communication
Light and Objects Perceived by Eyes
World of Irrational Numbers : Mysterious Arrays and Regularity of Numbers in Nature
How Are Clouds Formed?
Secret Behind the Colors of a Butterfly's Wings
How Was Air on the Earth Made?
People with Different Skin Colors
Why Do Thunder and Lightning Happen?
Where Do We Use the Light?
New World Made by Light and Lighting
How Did Yellow Dust Fly Over?
How Was the Earth Born?
Dynamic Energy of the Color Red
Pine Trees Are Too Greedy
What Is Double Optical Illusion?
Principle of Scarcity and Human Desire to Maximize Utility
Crafting Codes and Decoding Programs : Exploring Prime Numbers and Prime Factorization
How Were the Sun and Stars Born?
Wind Blown from a Fan and Our Immune System
Where Do We Use Structural Colors?
Way Plants Feel Touch
Structure of Eyes and the Process of Seeing
Why Is Mixed Light Brighter and Mixed Paint Darker?
Taking a Bath Makes Our Skin Happy
Way Our Brain Perceives Colors
Secret of Plant Leaves
Psychological Effect of Colors on Humans
About David Ann
Free ebooks by David Ann available for download.