How to Monitor Sleep Stages?
Sleeping is the most essential and longest duration human activity, yet we know very little...
November 2025
How to read EEG signal?
Basics of Brain Wave Our brain contains huge number of individual cells called neurons. Neurons...
How to wear bio-sensors?
Top of forehead: for sleep, meditation, head posture and activity, etc. Side of forehead: for...
Examples of EEG and ECG(HRV) features
Taking advantage of free EDF Browser and free Audacity(R) programs, our EEG and ECG data...
Example EEG Features: Left vs. Right
Several EEG examples are shown here, from different individuals and comparing right and left top...
How to make DIY conductive solution and electrode gel?
There is really no mystery, nor needing expensive ingredients to get good skin contacts. Remember,...
Cool DIY sites and communities
There are many sites and communities devoted to sharing DIY know hows and open source...
Experiments: How to be a DIY MythBuster?
The present internet age has brought us unprecedented accesses to information, as well as allowing...
Experiments: How to monitor and reduce EMF pollution?
In modern society, electromagnetic field (EMF) pollution is becoming severe and widespread, as electrical appliances...
Experiments: Binaural Beats and other auditory effects
Our brain processes auditory inputs in highly complex and sophisticated ways, and there are many...