Your toothbrush is worn-out!

See how your trusty toothbrush becomes worn out.

Special thanks to Harri Lähteenmäki  and Johannes S. Zwilling for sending me the smooth zoom footage of the tungsten filament, and showing me how to use After Effects to get a much better effect.  I really appreciate it!  http://www.videocopilot.net/tutorials/earth_zoom/

Support Applied Science: https://www.patreon.com/AppliedScience

Macrophotgraphy with a microscope objective: https://www.youtube.com/watch?v=HVSjUW2qQ6U

Ruby laser (and other projects) follow-up

The 8KJ ruby laser in action!  Also, see some other Applied Science projects and what is coming next.

NightHawkInLight on youtube:  https://www.youtube.com/user/Nighthawkinlight

Ben on Embedded.fm: http://embedded.fm/episodes/119

Ruby Laser design process:  https://www.youtube.com/watch?v=VSdUQ4oNKiI

Cookie Perfection machine: https://www.youtube.com/watch?v=8YEdHjGMeho

DIY SEM:  https://www.youtube.com/watch?v=VdjYVF4a6iU

Support Applied Science on Patreon:  https://www.patreon.com/AppliedScience

Smooth zoom video from SEM

I manually interpolated the sequence from about 15 single frames from the SEM.  Smooth zooming is not possible on the instrument natively.

How to choose a cleaning solution

A general overview of cleaning solvents and techniques.

Solvent selection and effectiveness:  http://www.productionmachining.com/articles/selecting-solvents-for-precision-cleaning

Dan Gelbart on coatings and surface cleaning:  https://www.youtube.com/watch?v=x7onZGqrYyY

https://en.wikipedia.org/wiki/Kauri-butanol_value

http://cool.conservation-us.org/coolaic/sg/bpg/annual/v03/bp03-04.html

Drill Bit in Electron Microscope

This video shows a microcontroller-based image capture system that makes it easier for me to record animations with my scanning electron microscope.

Support Applied Science videos: https://www.patreon.com/AppliedScience

The Teensy microcontroller: https://www.pjrc.com/store/teensylc.html

Download Teensy firmware via Google Drive

Download Processing.org script for viewing image on PC
https://drive.google.com/file/d/0B4YXWiqYWB99TTlBdHI2TFRQS2M