Okay, this isn't specific to Thailand, but to cycling, and cycling safety:

This article caught my eye on CNN: http://edition.cnn.com/2013/09/13/tech/the-laser-light-that-could-cyclist/index.html?hpt=hp_bn6

Here's my favorite. Though I don't have the juevos to ride a bike so equipped, it looks like a great (albeit expensive) safety feature: http://www.ladyada.net/make/spokepov/

That K9 warning device would be a "must have" piece of cycling equipment. I can hardly wait to se it reach the market as I'll be first in line to buy one.