“n a downie”

How do you crack nuts with a piece of string? Reverse gravity? Cobble together a clock out of a coffee cup, a soda bottle, and some water? Use a vacuum cleaner and nineteenth-century railroad technology to fashion a makeshift bazooka that can launch paper projectiles? Create a rainbow in a block of ... More

Industrial gases are inextricably woven into the fabric of modern manufacturing. From the primary extraction of raw materials, through their intermediate processing to manufacture metals, chemicals and ceramics, to the fabrication of sophisticated industrial, consumer and food products, gases are us... More

How do you make a clock out of an ice cube? Send messages using bubbles? Make money using a tube that waltzes? This collection of curious and offbeat science experiments provides the answers to these and thirty-six other fascinating questions. Accomplished physicist and science writer Neil A. Downie... More

These curious and offbeat science experiments provide Saturday scientists of all ages with new ways to mess up the basement and gross out mom -- all in the name of education Accomplished physicist and science writer Neil A. Downie presents a wide variety of creative and innovative projects, from wh... More

Tell Me When is full of hundreds of surprising questions and fascinating answers which can provide teasing quiz questions, settle arguments and assist with school projects. It is an intriguing reference book for the whole family. Categorised in six subjects: Science and Technology, The Human Body, T... More

Tell Me What is full of hundreds of surprising questions and fascinating answers which can provide teasing quiz questions, settle arguments and assist with school projects. It is an intriguing reference book for the whole family. Categorised in six subjects: Science and Technology, The Human Body, T... More

Tell Me Where is full of hundreds of surprising questions and fascinating answers which can provide teasing quiz questions, settle arguments and assist with school projects. It is an intriguing reference book for the whole family. Categorized in six subjects: History & Events, The Natural World, Gen... More

Tell Me About is full of hundreds of surprising questions and fascinating answers which can provide teasing quiz questions, settle arguments and assist with school projects. It is an intriguing reference book for the whole family. Categorized into six subjects: History & Events, The Animal Kingdom, ... More