Tag Archives: physics

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

Posted on June 23, 2011 by admin| |

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?

Posted on June 16, 2011 by admin| |

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

Posted on June 6, 2011 by admin| |

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

Posted on May 30, 2011 by admin| |

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

Posted on April 25, 2011 by admin| |

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

Posted on March 30, 2011 by admin| |

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

Posted on March 8, 2011 by admin| |

“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?

Posted on February 25, 2011 by admin| |

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?)

Posted on February 22, 2011 by admin| |

Where do good ideas come from? Read more »

How to explore the Solar System in real time

Posted on February 18, 2011 by admin| |

“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 »