We are very familiar with blu-ray disc using blue lasers to encode more data on a single 120mm disc. We are also very familiar with red laser pointers that can be bought from the sidewalks and novelty stores. Just in case you already have the green laser pointer, try the blue laser pointer. It cost 899 US Dollars from  http://www.thinkgeek.com/ . This gadget cetainly cost a lot but it is definitely a great geek gadget for a pinoy.

 Specifications from Thinkgeek:

Wavelength:  473 nm
Output power of <5mW (Class IIIa Laser Product)
1.5 mm beam diameter at aperture
Momentary push button switch
Pulsed wave output
Takes 1 “CR2″ battery (included)
Dimensions: 5.9″ x .67″ dia