Stadium Seating In The Classroom [Pic]
This is how your grandchildren are going to sit in class (and not pay attention in school and flunk out) in the future.
The 5 Inventions That Make Life Easier
Hmmm, these are good--a couple are great, but there are at least 5 others missing that should be on this lost. Plumbing?
You're actually seeing 25 different drops [or segments of the stream] every second... the waveform being played through the speaker is vibrating the pipe in a uniform way, so the drops exit the pipe uniformly, the frame rate of the camera is synced with the speaker so the drops appear static, [and] the short shutter speed means the drops appear sharp and frozen in mid air [a longer shutter speed, in contrast, would capture more of each droplet`s movement, causing it to appear blurry].