Video: Three Years of Sun in Three Minutes

NASA Solar Dynamics Observatory (SDO) has released an incredible time lapse video that shows three years of the sun’s activity in just three minutes. This video shows those three years of the sun at a pace of two images per day. SDO’s Atmospheric Imaging Assembly (AIA) captures a shot of the sun every 12 seconds in 10… Continue reading Video: Three Years of Sun in Three Minutes

Guided Tour of the International Space Station

NASA astronaut Sunita Williams takes viewers on an extensive tour of the International Space Station, during the final days of her mission as Commander of the station. Williams shows us the laboratories, the space suits for space walks, the kitchen, and the sleeping quarters. Watch the amazing tour video below. via: Free Technology for Teachers

Stunning Star Trails and City Lights from Space

This amazing new time-lapse video shows beautiful star trails and city lights streaking over the Earth’s surface as seen from space. Photographer Christoph Malin from Austria created the stunning film by stacking image sequences provided by NASA from the crew at International Space Station. These “stacks” create the Star Trails, but furthermore make interesting patterns visible. For example lightning… Continue reading Stunning Star Trails and City Lights from Space

Flying Over Planet Earth

Switch to 1080p HD with 20″ screen monitor or more to watch this video, and you’ll actually feel like flying over earth on board a spaceship. This movie (time-lapse) was taken from the front of the International Space Station as it orbits our planet at night. It begins over the Pacific Ocean and continues over North and… Continue reading Flying Over Planet Earth

Eddy Currents Demonstration

As you can see in the video below the demonstrator got a length of copper pipe and dropped a small neodymium magnet into it. It shows that the magnet wasn’t attracted to the pipe, but the descent was still slowed dramatically on the way down creating eddy currents. Interesting, don’t you think!? Watch the video below.

What is Binary Code?

A binary code is any system of representing text or computer processor instructions by the use of the binary number system‘s two-binary digits 0 and 1. This is accomplished by assigning a bit string to each particular symbol or instruction. For example, A binary string of eight digits (bits) can represent any of 256 possible values and… Continue reading What is Binary Code?