DVDS Web Results

CD Players: How Do They Interfere? • Physics Forums The "reference beam" in the case of CDs and DVDs is the part of the laser beam that is reflected from the surface of the disk (aka the "land"). THe beam that goes into the pits will travel a total extra distance of 1/2 a wavelength through the plastic (so the depth of the pit must be 1/4 wavelength in the plastic).

What glass is best at resisting acids when dissolving? Is there a certain borosilicate that resists all types well enough to dissolve rocks in them? Are there reasons to dissolve rocks in different types of acids to get a different result? Dissolving coal in sulfuric vs hydrochloric for instance, would you get a different residue/result? Thank you...

Some questions about humidity and storing DVDs in a closed cardboard ... If I have a dvd disk inside those plastic boxes suitable for dvd disks in black, if I have an electronic board inside a bag or papers inside any plastic bag and after that all of them inside a closed cardboard box when I closed the cardboard box or bag or dvdbox it was in rainy or humid weather...

The Many Faces of Topology - Physics Forums Topology is a branch of mathematics that encompasses many different parts. It is sometimes even difficult to see what these branches have in common or why they are all called topology.

Physics Forums: Science Discussion, Homework Help, Articles Physics Forums: Science Discussion, Homework Help, Articles

Kinematics equations: Prove that a=vdv/ds • Physics Forums We know that v=v (x, t) i.e. V is a function of time as well as space coordinate here I have only taken 1D motion for simplicity. By chain rule a=dv/dt=...

How an agentic AI bot managed an office vending machine How an agentic AI bot managed an office vending machine

ChatGPT Examples, Good and Bad | Page 14 • Physics Forums The German translation is by far more colorful: Licking (s.o.) saliva or creeping (in s.o.) a** Of course, we use only one noun for the whole phrase. I often hear people mocking the German property of concatenating words into a new one. Well, since I used grammar to correct my English, I saw...

Extremely Weird Music • Physics Forums This Pete Cosey guitar solo is the weirdest thing I've ever heard. Saxophonist Dave Liebman said a good deal of cocaine was routinely consumed.

Collection of Lame Jokes | Page 785 • Physics Forums The discussion revolves around sharing and enjoying "lame" jokes, with participants contributing various puns and one-liners. Jokes include classic setups like "A duck walks into a pharmacy..." and "Why did the chicken cross the road?" along with playful wordplay, such as "What do you call a boomerang that doesn't work? A stick." The humor is characterized by its groan-inducing quality, with ...