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The balls of a pendulum are in perfect rhyme, measuring the passage of time. Alpha particle   A particle released by radioactive decay that consists of two protons and two neutrons – equivalent to the nucleus of a helium atom. Beta particle   A particle released by radioactive beta decay – usually an electron, but rarely a positron. Beta particles are released from unstable atomic nuclei when a neutron transforms into a proton or, more rarely, vice versa. Gamma radiation   A form of high-energy electromagnetic radiation released by various processes such as radioactive decay. Electron   A low-mass elementary particle carrying negative electrical charge. Electrons are found in the orbital shells surrounding an atomic nucleus, and play a key role in chemical bonding. They are also the principal means by which electric current flows through materials. Proton   A subatomic particle with substantial mass and positive electric charge, normally found in the atomic nucleus.  Neutron   An elect

  Taken from the site of Deepak Chopra, here are The Seven Laws of Spiritual Success: The Law of Pure Potentiality Take time to be silent – to just BE. Meditate for 30 minutes twice a day. Silently witness the intelligence within every living thing. Practice non-judgment. We have unlimited pure potentiality all around us – we just need to be open and ready to lock into one thing. The universe gives us the ability to manifest and do what we like – we just have to know how to get it. There is unlimited pure potential. The Law of Giving and Receiving Today, bring whoever you encounter a gift: a compliment or flower. Gratefully receive gifts. Keep wealth circulating by giving and receiving care, affection, appreciation, and love. We have to have the ability to receive — when a person gives us something and we say "no", that is creating an imbalance. It is important to give every day: give thanks, gratitude, support, love, freedom — what you can afford — even time. All that you g

Here's a list of terms you may encounter as you learn Adobe Photoshop® – from BDM Publications . Active layer The layer currently selected in the Layers panel Adjustment layer A layer that lets you apply colour and tonal adjustments to your image without permanently changing pixel values. Use adjustment layers to experiment with colour and colour tones. You can think of an adjustment layer as a veil through which the underlying layers are seen. Adobe RGB The RGB colour space profile created by Adobe Systems, Incorporated. It provides a large gamut of colours. Aliasing The jagged edges seen at the edges of diagonal lines, arcs, and so on, caused by pixels lining up in a saw-tooth pattern. Alpha channels Masks, which let you manipulate, isolate, and protect specific parts of an image. In Photoshop, alpha channels are called saved selections. To save an alpha channel, choose Select > Save Selection. To load an alpha channel, choose Select > Load Selection. Anti-aliasing The smoo

Here's a list of some terms in photography: Aperture : Behind the lens of your camera is a movable circular iris which opens and closes to control the amount of light falling on the sensor. This is usually controlled by the camera's light meter, although some cameras have a manual aperture control. Altering the aperture also changes the depth of field.   Artefacts : When an image is stored in your camera's memory it has to be compressed to fit, usually into a JPEG file, and in the process some information is inevitably lost. When the image is uncompressed for viewing, noise creeps in and appears as angular blocks in the image, which are known as artefacts. Auto-focus : Almost all digital cameras have automatic focusing. There are essentially two types: contrast detection, used in compact cameras and most CSCs, uses the camera's main sensor and works by detecting the borders between high-contrast areas and trying to make them as sharp as possible. Phase detection AF is u

The World Egg Day falls on the second Friday in October. The terms cocoa and cacao are often used interchangeably. An olive tree can live up to 1500 years. Sir Winston Churchill was a dedicated member of a union of bricklayers and could lay 200 bricks a day. The folding umbrella was invented in China around 1270 AD. When machine manufacture of shoes became widespread in the 1850s, the left and right versions of the shoe came into existence. Before that, all shoes had a straight profile. The modern toothbrush was invented by William Addist in 1780, the idea of which came to him during his time in Newgate Prison. In the average bag of Milk Chocolate M&M's, you'll find 24% blue, 20% orange, 16% green, 14% yellow, 13% red, and 13% brown coloured candy shells. The popular logo that shows a dog listening to a gramophone, was actually a real dog named Nipper. The terrier’s image was drawn by its last owner who sold it as a trademark to His Master's Voice. On average, human bei

What happens to lost body fat when we lose weight? Our fat is stored as triglycerides. When we need it for energy, enzymes in the blood break it down into fatty acid chains and glycerol. The fatty acids are absorbed by cells and broken down into even smaller molecules and ‘fed’ to our mitochondria (the ‘power plants’ of our cells). The ultimate waste products of this this complex sequence are just CO2 and H2O, which we breathe out. So when you exercise, you are turning fat into puffing and panting. Do insects sleep? Yes. They don’t have eyelids, so they don’t close their eyes like we do. Cockroaches, however, will fold down their antennae when they sleep, which has the similar purpose of protecting delicate sensory organs. When asleep, insects aren’t just resting – sleeping praying mantises will droop downwards and sleeping bees are harder to startle than those that are having a rest. Are public Wi-Fi networks safe? No Wi-Fi network is completely safe if you have the wrong settings on