Link List Labor
US Vereinigte Staaten von Amerika, États-Unis, United States
Technik, Technique, Technology

A

appliedpapertech - Paper Calculator

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C

crochetpatterncentral - Crochet-Portal - Häkel-Portal

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E

F

G

H

I

J

K

L

M

mit - Massachusetts Institute of Technology - The Tech Newspaper

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newscientist - New Scientist - Everyday Scientific Phenomena
Energy and Forces Phenomena
Gases Phenomena
Solids Phenomena

• "Warum fallen schlafende Vögel nicht vom Baum?" und
• "Was macht die Mücke beim Wolkenbruch?"

• Results 1 to 15 of 98
• Long shot: How far can a cherry stone travel?
• Underneath the arches: How is the strength of a brick arch assessed?
• In the Home: What is it that creates the distinctive smell of old magazines and books and is there any way to counteract it?
• Cold war: Can freezing stop a bomb from exploding?
• Atomic mushrooms: Why do atomic bombs make mushroom-shaped clouds?
• Weird spheres: What are the metal spheres on French high-voltage power lines?
• Plastic solution: Does wiping off magnetic strips help or hinder the process
• Attractive design: Making permanent magnets
• Energy loss: What is the "slingshot effect"?
• Metal work: Do magnets do work?
• In-flight meal: Can anyone calculate the metabolic fuel efficiency of the ruby-throated hummingbird (Archilochus colubris) that fly so far on so little, and how does this compare to a human?
• Field of bubbles: When I placed a glass of still mineral water in front of my computer screen I noticed that tiny bubbles started to form around the edge of the glass. Why does this happen and is the water still OK for me to drink?
• Humdrum hums: Electricity is supposed to be the "silent servant". So why do transformers hum?
• Large cone please...: Why do tornadoes have the shape of an inverted cone?
• The power of three: What aerodynamic and other criteria are applied in determining the optimum number of blades for windmills?
• Results 16 to 30 of 98
• Leading astray: What do the different parts of a computer lead do?
• Moonflight: How high and how fast would I have to jump to escape the moon's pull?
• Older model: Given the energy required to make a car starting from raw materials is greater than it consumes in fuel, is it better to run "old bangers" for longer, rather than buying new fuel-efficient cars?
• Down the plughole: Do giant whirlpools ever form in hydroelectric reservoirs where the water runs through the base of the dam?
• Chaaaaarge!: To prolong a rechargable battery's life, is it better to recharge it constantly or first let it run down?
• Changing period: How can the "memory effect" which affects the charge level on nickel-cadmium batteries be explained in chemical terms?
• Insular electrons: How can you recharge something through plastic contacts?
• Red sky at night: During a very long lightning flash, the light grew more and more intense, then suddenly changed to red, just before it faded. What could have caused this?
• Ship shifting: Can an unaided person move a large ship?
• Shock value: How do fabric conditioners reduce the amount of static electricity in clothing?
• On silent wings: How can paper aeroplanes fly?
• Blitz power: Can lightning power be tapped for domestic use?
• TVs on strike: How a lightning strike affects television pictures
• Flying high: Why do aeroplanes fly higher than Mount Everest even where there are no mountains?
• Energy gap: Why do oil refineries have a constantly burning flame?
• Results 31 to 45 of 98
• Stresses and strains: In Concorde, what design features were incorporated to compensate for expansion during flight?
• Marking time: A 19th century vertical axis windmill--what was it for and how did it work?
• Tow trucks/Cars in a drag: The effects of drag on cars and bicycles
• Fan power: What considerations determine how many blades a fan has?
• Rope trick: Why is a rope or braid stronger than its individual fibres?
• Weighty problem: How a descending weight generates light
• Shafted: If you find yourself in a free-falling lift what do you do? Jump?
• Heating disorder: Which is cheaper--leaving my gas boiler on constantly or setting in to come on twice a day?
• Wrought iron: The strange behaviour of an iron bar
• Wayward water: Why a comb attracts water when full of static
• Bubbly attraction: Why do bubbles appear to be attracted to each other?
• Ecofarm: How many trees compensate for personal energy use?
• Charging twice: Why some toys can't use rechargeable batteries
• Cold store: Does freezing batteries increase shelf-life?
• Results 46 to 60 of 98
• Driving range: The best speed and gear for fuel consumption?
• Power of three: Why many windmills have three blades
• Cell size: How were battery sizes named?
• Round water: Why water droplets float on water
• Titanic explosions: Why does submerged iron explode when brought back to the surface?
• Bendy bond: What are flexible fridge magnets made from?
• Tight squeeze: When you cover part of a tap, why doesn't the water pressure increase (as on a hosepipe)?
• Powerful sound: Why do powerlines hum?
• Food for thought: Could thinking hard help a person lose weight?
• Hard work: Where does water get the energy from to burst pipes when it freezes?
• Molten core: When you melt a block of butter in a microwave, why does the outside stay firm, but the inside melt?
• Big hitters: Why do cricketers select weighty bats to strike boundaries?
• Cold charge: Why do batteries run down faster in cold weather?
• Up and down: How does a yo-yo work?
• Which way to turn?: The Coriolis force...what happens at the equator?
• Results 61 to 75 of 98
• On the pull: What would gravity feel like at various points on a journey to the centre of the Earth?
• (S)top: Why does a top stand up when spinning?
• Pulling power: How rockets get out of the Earths gravitational field
• Perpetual motion: Can an underground stream power a mill?
• Light flights: Shadows and haloes produced by aircraft
• Top that: Why does a spinning top sometimes turn over?
• Down the tube: Is it more efficient to switch off fluorescent lights for a short time, or just to leave them on?
• In a spin: What makes the Earth rotate?
• Is it a bird?: Can a shadow travel faster than light?
• Blubber bullets: How fat would you have to be to be bulletproof?
• Shorthaul flight: Why do long jumpers adopt different styles when travelling through the air after take-off?
• Call me for dinner: Why doesn't my microwave oven shield incoming calls to a mobile phone?
• Cool shapes: Why are power station cooling towers shaped the way they are?
• Burnt out: What controls the rate at which candles burn?
• A losing hand: How is it possible to make a bomb from playing cards?
• Results 76 to 90 of 98
• The charcoal burners: Whatever happened to the idea of charcoal-powered cars?
• Saucy stuff: What's the best way of getting ketchup out of a bottle?
• Back 'n' forth: Where does tide energy come from?
• Happy returns: Why does a boomerang come back?
• Alternative currents: What exactly happens when solar plasm supplies disrupt electricity supplies?
• The heat is on: What is fire made of?
• Why wood it?: I used a magnet to find nails in the ash from burnt timber. The ash seemed to be magnetic too--why?
• Hitting the bottle: How is it possible to uncork a bottle by hitting the bottom?
• Push bike: Why is it harder to cycle up a hill than push a bike up?
• Time bombs: Why do my battery operated watches stop working within a few days of wearing them?
• Brick it up: Does it save energy to fill your freezer?
• The spinners: Do frisbees need to spin in order to fly?
• Burnt out: Can a candle burn in zero gravity?
• Stand-up conundrums: The strange behaviour of spinning almonds and Smarties, explained
• Heat reduction: When spacecrafts return to Earth--why cant they employ an opposing thrust to counteract Earths gravity?
• Results 91 to 98 of 98
• Stumped: Would parachutists be able to play a game of catch while falling? What would happen to the ball?
• Power house: Why dont gyms sell their power to the national grid?
• Summer weight: How seasonal temperatures affect the weight of fuels
• Gee! Force!: How do the forces of a fairground ride compare to those experienced by astronauts?
• Striking problem: Why does flint spark?
• Brim swim: Why is swimming in a full pool harder?
• Dive, dive, dive: Is there a terminal velocity when people dive?

• Results 1 to 15 of 33
• CFC-free: Do CFC gases in discarded refrigerators diffuse out and get replaced by air?
• Left loaders 1 and 2: Why are planes always boarded on the left side?
• Nothing to it: Is it possible to create a lighter-than-air machine containing a vacuum?
• Dry gases: What is dry nitrogen and why is it used to inflate heavy-duty truck tyres?
• Deflation policy: Why do helium balloons deflate so quickly?
• Canned gas: The origin of freons
• Natural effervescence: In what form is CO2 found in natural mineral water springs, how does it get there and why is it removed and then added back before bottling?
• Hidden gas: Where do neon light manufacturers get their neon from?
• Water weight: What is "light water"?
• Words in the sky: How do pilots skywrite?
• Wings of gas: Mist mysteries of Concorde and the Boeing 747
• Bags of air: Why do airplane oxygen supplies have bags on them?
• Wrapped bubble: Bubbles in ice 2: What causes a strange bubble formation in ice?
• Bubble wrap: Bubbles in ice 1: What causes a strange bubble formation in ice?
• Mellow mallow: If you puffed up marshmallows with helium, could you make them so light that they would float out of the bag?
• Results 16 to 30 of 33
• Light bite: Why don't the bubbles rise to the surface of an Aero chocolate bar as the molten chocolate solidifies?
• Bottle battle: Will squeezing some air from a soft drink bottle make the soda go flat faster?
• Drip reduction: Why do trickling taps turn into dripping taps?
• Energy gap: Why do oil refineries have a constantly burning flame?
• Pepper pot: The strange gas that fills up the space inside a pepper
• Tackling inflation: Why are the long balloons harder to blow up?
• It's a gas: Why do some people's beer heads vanish when they drink?
• Can do: How are non-alcoholic fizzy drinks sealed in a can?
• Beer buoys: Why do my cans of beer, randomly distributed in ice, float on their ends when the ice melts?
• Boxing clever: How do box kites fly?
• Heated hop: Why does beer go flat when it gets warm?
• Bouncing rice: Why a grain of rice which is dropped into a carbonated liquid bounces up and down
• Bend out of shape
• Can you tell me why dolphins, and indeed other deep-diving mammals, manage to avoid the "bends"?
• Results 31 to 33 of 33
• Gas gassing: Speaking through helium...
• Controlled blast: How to quiet your gas fire by remote control
• In the smoke: Do facemasks really protect against pollution?

• Results 1 to 15 of 25
• Cutting edge: Is there a scale to measure the sharpness of cutting implements?
• Barrel boom: A wooden barrel of gunpowder is a familiar sight in many historical movies, but were they really used?
• Rubber horror: Why do rubber bands spontaneously melt? Often I find an ageing one on my desk that has turned into a sticky mess. After a few more months, the sticky mass solidifies and become brittle. Why?
• Abreast of the issue: On regular walks in a South Derbyshire opencast coal mine a few years ago, I frequently found stones that looked remarkably like human breasts, even down to their colouring. What are they, and how did they form?
• Ice art: On some cold mornings the frost on windows and cars makes patterns that look just like leaves, ferns and branches. How does this happen?
• Stirring' stuff: The principles of powders in liquids
• Wrapped bubble: Bubbles in ice 2: What causes a strange bubble formation in ice?
• Bubble wrap: Bubbles in ice 1: What causes a strange bubble formation in ice?
• Sweet heat: What are the chemical and physical properties that change in the sugar when its heated up?
• Killer chemical: How does chlorine in swimming pools kill harmful organisms and why is it the chemical of choice?
• Thin ice: What makes ice "hairs" form on frosty mornings?
• Results 16 to 25 of 25
• Pipe dream: What became of the scheme to transport solid goods by pipeline?
• Red hot: Why do metals change colour after being tempered?
• Honey monster: How can an unopened jar of runny, clear honey suddenly begin to turn into a hardened block of sugar with no obvious external stimulus?
• Vodka on the rocks: Why does frozen vodka contain rhombic ice crystals that float vertically?
• Hard work: Where does water get the energy from to burst pipes when it freezes?
• Dead weight: Why do corpses submerged in water eventually float to the surface?
• Solid state: Why doesn't carbon dioxide fall as snow at the coldest place on Earth?
• Molten core: When you melt a block of butter in a microwave, why does the outside stay firm, but the inside melt?
• Fatal attraction: Does the presence of metallic objects on the body, however well concealed, increase the chances of being struck by lightning?
• Mix and match: How to mix powder and water with getting lumps ?

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P

parovoz - Railroad-Related Terms - Railroad Slang

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R

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steel - American Iron and Steel Institute - Steel-Glossary

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U

upm-kymmene - Paper Calculator

V

W

worldsteel - International Iron and Steel Institute

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Y

Z