Frequently Occur Search Results

How To: Roller furl the jib when sailing

This video shows roller furling of a jib in 5 knots of wind. Mild tensing is kept on the jib's sheet to enable the jib to warp tightly around the headstay. In high wind conditions, this is best done in a deep running reach. The mainsail will tend to shield the jib from the wind. This will prevent excess luffing of the sail and make furling easier. In a pinch, you can always let the jib out, by loosening it's sheet and roll in the jib, but in high winds excess luffing may occur and this can da...

First Thoughts: The writing is on the wall

After last night’s sweep, the writing’s on the wall: Romney, unless the extraordinary occurs, is going to be the GOP nominee… And Santorum isn’t going to win… Updated delegate count: Romney 573, Santorum 212, Gingrich 137, Paul 34… Santorum’s no-win situation heading into Pennsylvania… Obama’s speech yesterday achieved one thing: It drove the conservative intelligentsia crowd nuts… Romney, at 11:45 am ET, gets chance to respond to Obama at the very same venue… And Scott Brown embraces Obama.

News: Why does stress occur?

Stress happens because is part of being alive. We all experiences stress even our pets. Stress is there to keep us alert; there are two main types of stress short-term stress and long-term stress. Short term could be (example) when there is a fire you flight or fight response will turn on. You will either stay there of look for your safety. A long-term stress could be the stress that you might deal with a lot of the time from work to your home. It is the complex problems that it seems you can...

News: Emergency Preparedness

The first thing you need to do in case of any emergency no matter what it is, it would be make a family plan you need to be aware on what are you going to do and this is not no option. Emergency's happen all the time it could happen right know or it may occur tomorrow it does not matter when it happens your suppose to be prepared already.

News: Build Your Own Oscillating Wave Machine

Transverse wave motion is the beautiful rippling effect that occurs when a moving wave causes oscillations that travel perpendicular to the direction of energy transferred. (For example, via Wikipedia: "If a transverse wave is moving in the positive x-direction, its oscillations are in up and down directions that lie in the y–z plane.")

News: What Happens When You Smash the Essence of Dynamite With a Hammer?

Nitroglycerin, otherwise known as the explosive essence of dynamite, is so sensitive AND powerfully explosive that when hit with a hammer, it creates "a supersonic shockwave and a flash of light almost too fast to film, even with the latest specialist cameras". In the blink of an eye (literally) extreme detonation occurs. Shooting super slo-mo is absolutely necessary (600x slower, to be exact).

How To: Fix scaling issues in After Effects

In part one of this two-part tutorial, Aharon Rabinowitz introduces you to Exponential scale, a keyframe assistant used to counter the issues that occur naturally in After Effects when scaling from very high values. In the second part, you'll learn how to ease the values of Exponential Scale to create a smooth end to your layer's scale animation. This is a better way to create easing in and easing out effects on animations. Fix scaling issues in After Effects - Part 1 of 2.

News: How Could Stem Cell Treat Osteoarthritis

osteoarthritis affect millions around the world and it cause severe pain with motion especially in knee joint. This disease occur due to degeneration in the cartilage discs within the joint. British surgeon find a way to cover these damaged discs with stem cells which will repair the damaged surfaces.

How To: Protect Yourself Against Chapped Lips

chapped lips is a very common issue and usually face us in summer especially when sweating is excessive and water intake is at its minimum. all that affect our body and it induce inflammation in our lips which leads to fissuring in lip mucosa which is famously known as chapped lips.

How To: Prevent Post-Earthquake Nuclear Meltdown in the US

After getting slammed with a crazy-big earthquake/tsunami, the Japanese nuclear plant Fukushima Daiichi might be on the brink of meltdown. Not as bad as Chernobyl, but maybe as bad as Three Mile Island. Nobody wishes such a disaster on anyone...anywhere in the world. In the US, there are about 100 nuclear facilities, about 8 of which are located near hot beds of seismic activity.

How To: Handle and restrain a rat for injections

This Animal Welfare Foundation two-part video tutorial is from expert veterinary staff demonstrating the correct procedures for handling small mammals for clinical examination and medication. Its aim is to show that the primary consideration should be for the the welfare of the animal. This video guide will show you practical animal handling for a rat.