In Illustrator, the envelope works like a mask, it hides the parts of the object that is outside the envelope. It goes further by changing the shape of the object to fit the shape of the envelope.

I tried Placing both into a new Illustrator document, but Illustrator won't let me distort the top two corners. I used the Free Transform tool on one of the top corners with the Ctrl key held down, ...

Researchers have developed an underwater imaging system that allows submariners to view objects above the water's surface - without a periscope. The unique technology gets around the inevitable ...

Imaging through scattering and diffusive media has been a challenge for many decades, with numerous solutions reported so far. In principle, images distorted by random diffusers (such as frosted glass ...

Researchers may be a step closer to identifying dark matter after studying unusual cases of gravitational lensing caused by "dark matter halos" surrounding distant galaxies. When you purchase through ...