NASA successfully launched its Ares 1-X test rocket today, in a flight that appears to have been flawless. You can see the launch in this video: One funny thing watching the video is the rate of acceleration. – Zero to Mach 1 in 43 seconds – Zero to Mach 2 in 70 seconds – Zero [...]

A sacrificial anode is one of those little things that mean a lot. They keep steel boats, marine engines, water heaters, bridge pilings and many other wet metal objects from rusting into dust prematurely. You can see what a sacrificial anode looks like in a marine engine in this video: You can see the sacrificial [...]

How big are the cells in your body? Things like a skin cell or a red blood cell. And how do they compare to things like viruses, bacteria, and cell components? The following link offers a brilliant, animated visual guide to cell sizes, starting with macroscopic things like sesame seeds and grains of salt and [...]

How do you catch the flu (or a cold virus)? This is a brilliant little video that explains the whole process, from how the virus particle gets into your body to how it multiplies and spreads, to how it eventually gets cleaned out of your body by your immune system: For more info see: – [...]

Girl’s ‘Notes Left Behind’ Help Grieving Parents Help Others [[[Jump to previous TIM]]]