The question on spiraling tunnel

• 19 七月, 2008 • 發表迴響

The Basic idea of Static Wheel

• 18 七月, 2008 • 發表迴響

Idea of today

• 17 七月, 2008 • 發表迴響

Euler-Alex Cylindrical Paradox

• 7 七月, 2008 • 2 則迴響

Speculation of 070905

• 7 七月, 2008 • 發表迴響

PMM machine powered by gravity?

• 4 七月, 2008 • 發表迴響

To fill a bucket of water

• 4 七月, 2008 • 發表迴響