Want to know everything № 317 (2008)

NDP: "What is the" primordial soup "?"

NDP: "What brews welder?"

NDP: "What musical instrument greatest?"

Flash effect

NDP: "primordial soup"

Primitive marine animals, dinosaurs

Organisms

Scientist microscope.

Germination of grass

Doves, penguins, crocodile, monkey, bird, hippopotamus

Smoldering hills

Glossary.

NDP: "Hypothesis - unproved statement, assumption or guess.

As a rule, the hypothesis is expressed through a series of supporting her observations or examples, so it looks believable "

Oparin and Haldane Portraits

Beetle

Earth around which gases

Water, magma

Glossary.

NDP: "Magma - molten mass in the depths of the Earth"

Red sky, lightning, magma

Smoke in the hills, boiling water

Living cell

Fish, giraffe, hermit crab

Flash effect

NDP: "Welding"

Shields Welder

Welder puts shield

Metal in the hands of the welder

Glossary.

NDP: "Welding - process connection of solid materials as a result of the interatomic forces, which occurs when fused or plastic deformation of the connected parts"

Welder brews

Metal hands

Welders

Welding details

Metal welding

Blacksmiths

Portrait Petrova

Glossary.

NDP: "The arc - a type of electrical discharge in a gaseous medium"

Metal plates.

Portraits Benardos, Slavyanov.

Photo welders Russia.

Flame welding

Welding Equipment

Welder glasses

Flash effect

NDP: "Relative Flute"

Pipe organ

Body

Glossary.

NDP: "Organ - key wind musical instrument consisting of a tube into which air is blown"

Hands on the keyboard body

Flute Pan Pan Preview

Pipe organ

Fur - blacksmith and organ.

Vintage organs.

Glossary.

NDP: "Hydraulics - the Greek word (from hydor - water and aulos - tube), the science of the laws of motion and equilibrium of fluids and methods of application of these laws to the solution of problems of engineering practice"

Body

Musician plays the organ

Glossary.

NDP: "Register - defined area range voice or instrument having sharp coloristic and tonal quality"

Register-handle

Body.