Isbn: 9798256241032 - from the physics of gravity, buoyancy and flight to a jet train that skies at the speed of an airplane, as told by harvey, a brilliant cane (4 risultati)

Condizione: New.

HRD. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

HRD. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

Buch. Condizione: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - PG is getting on in years, and he bought a brilliant, cherrywood cane to help him walk. PG named the caneHarvy, and the two became great companions. The specialthing about Harvy is that he can talk. He has theinquisitive mind and vivid imagination of a child and aspecial curiosity about science.The story begins at JFK airport where Harvy is entrancedby escalators, and he wonders where the moving stairsgo once the basement fills up. Harvy also wondersabout the origins of this mystical force called gravity.He's fascinated by the laws of buoyancy, flotation, and thewonders of flight. Why don't airplanes have to flap theirwings like birds fly Why can humming birds hover withouthaving rotating blades like a helicopter.…