Tag Archives: physics

A 1001+ things to do for a boy (or girl)

Boys’ Life magazine, published monthly since 1911, is the official publication of the Boy Scouts of America. The magazine continues to this day for subscribers. But even if you are not a subscriber, back issues – EVERY ISSUE -, are available online to everyone through the December 2009 issue. Read more »

How to signal 100 miles without the aid of electricity. What is a heliograph?

The most astonishing of them is the immense distance at which the flash can be seen bright and distinct Read more »

How to engineer the boiling temperature of a liquid

This is the example to follow when you want to create a liquid with a new boiling temperature. Read more »

How do we know the earth is rotating, and it is not the stars moving around the earth

How can you tell that the earth is rotating about an axis, and that the stars aren’t instead just moving around the earth? Read more »

The secret to perfection

Perfection is like an iceberg. You only see 11% of the ice, 89% is below the surface. Read more »

How to spin a pen. Pen Spinning the ultimate video lesson

This is a skill that develops with practice. Some of these videos hint that basic spinning is possible after Read more »

The secret to success

“Well if there was a better way somebody would have thought of it by now.” I mean you might as well go home if that’s the approach. Read more »

How do you convince your kids there is something fun to do outside in the snow?

Build an ice rink, a snow man, an ice slide, a fort, an igloo, a ski lift or rope tow, and more. Watch these videos, and you too will be watching for the next big snow storm Read more »

Take a simple idea to the next level and make something great (A million matches?)

Where do good ideas come from? Read more »

How to explore the Solar System in real time

“Eyes on the Solar System” is a 3-D environment full of real NASA mission data. Explore the cosmos from your computer. Hop on an asteroid. Fly with NASA’s Voyager 2 spacecraft. See the entire solar system moving in real time. It’s up to you. You control space and time. Read more »