An astrolabe illustrates how the sky looks at any given time of day and throughout the year. This is accomplished by drawing the sky (star patterns) on the astrolabe with moveable parts to adjust for the date and time. The traditional sky map astrolabe allowed people to locate celestial objects in the sky similar to … Continue reading
All-season tires are a bad compromise. On snow, ice or cold pavement, the stopping distance of a car equipped with winter tires can be 30 to 40 per cent shorter than one with all-seasons. Since the force of a crash increases as the square of impact speed, this could be the difference between life and … Continue reading
Youth duped by information online; dogs remember more than you think; fluoridation reduces cavities; nylon fibres flex like muscles; teen studied rocket nozzles; losing geologic information every day – just a few of the themes in today’s eclectic collection of SciNews. Share these stories with your students and get them excited about science.
Here’s an interesting overview of the educational philosophy of the Ottawa forest and nature school and its dedicated teachers. For more click here to go to their website.