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Fortunato
  • Member for 11 years, 2 months
  • Last seen more than 10 years ago
5 votes

Why does everything spin?

4 votes

Does my model aircraft propeller beat the sound barrier?

4 votes

Batman spotlight in the sky

4 votes
Accepted

Will this poor-man's single band pyrometer work?

3 votes

How do you produce electricity from a wind mill?

3 votes

How do GPS devices work?

2 votes

How do you magnetize an object?

2 votes

Why do blades of windturbine propellers as comp. to propellers of ships cover very different areas?

2 votes

On a bicycle, why does my back tyre wear so much more quickly than the front?

1 vote

Does it matter how you order your tug-of-war participants?

1 vote

How could pinion in automatic quartz watch be rotated at 100K RPM?

1 vote

what cools bottle of water faster: ice or snow

1 vote

What devices could be taken round dwellings to measure the thermal conductivities of buildings in situ?

1 vote

Calculate the weight a simple plank can support

0 votes

Trampoline physics - what is the right time to crouch and to jump to maximize your height?

0 votes

What makes waves at beaches to come with high velocity and frequency at nights?

0 votes

Simple friction formula for a car

0 votes

Direct exposure to the vacuum of space

0 votes

Stress vs Strain for mild steel

0 votes

Small scale water power, how does water volume and hight convert into electric energy?

0 votes

Calculating time for a fully charged UPS

-1 votes

What, if anything, makes forces the "cause" and acceleration the "effect"?

-1 votes

Optimum magnet layout for tripping a coil sensor

-2 votes

Is the earth expanding?

-3 votes

Can a particle be physically observed inside a quantum barrier?