Wednesday, January 20, 2010

Real scale universe animation

"Explanation: What would it look like to travel across the known universe? To help humanity visualize this, the American Museum of Natural History has produced a modern movie featuring many visual highlights of such a trip. The video starts in Earth's Himalayan Mountains and then dramatically zooms out, showing the orbits of Earth's satellites, the Sun, the Solar System, the extent of humanities first radio signals, the Milky Way Galaxy, galaxies nearby, distant galaxies, and quasars. As the distant surface of the microwave background is finally reached, radiation is depicted that was emitted billions of light years away and less than one million years after the Big Bang. Frequently using the Digital Universe Atlas, every object in the video has been rendered to scale given the best scientific research in 2009, when the video was produced. The film has similarities to the famous Powers of Ten video that has been a favorite of many space enthusiasts for a generation." From: http://apod.nasa.gov/apod/ap100120.html

Tuesday, January 19, 2010

Sodium Acittate hot ice

This video shows how to make hot ice, a supper saturated solution of sodium acittate that crystallizes when you disturb it or add a small crystal.

Science Experiment - Microwave Ivory Soap

The water inside the ivory soap expands when heated in microwave oven creating a very interesting shape.

Rainbow juice using a Universal indicator

Universal indicator is used to find out the approximated PH of some substance. This video shows at first a ph 14. As some acid is added the color starts to changes. In the end the beakers bottom have a different ph from the top, so the various colors appears.

Wednesday, December 16, 2009

Chladini patterns

Hydrongen Peroxide and KI solution - Elephant Toothpaste

Elephant Toothpaste video, will you need hydrogen peroxide 30 volumes and KI solution as a catalyst.

Tuesday, December 15, 2009

A valley in thirty seconds

"This activity models how tensional forces can cause fractures in rocks, sometimes creating rift valleys" From description of youtube

The earth is a dynamic planet, in ours human life time we barely note that, perhaps just when a volcano erupt or a earthquake destroys a city. Analyzing geological features in rocks we found out pieces of a huge puzzle and then theories are created. To confirm those theories some lab experiments were made. This video shows a qualitative experiment that demonstrates how normal faults are formed in a rifting process.