A laser projector creates a light show that seems to be coming from dozens of laser beams. It only needs a single laser beam to create the effect because the beam is diffracted as it emerges from the ...

I had a need to digitize 2,000 35mm slides. Flatbed and slide scanners were not an option because they're too slow, scanning at a rate of 5 slides in ten minutes. I reasoned that with a slide ...

There’s just something about wielding a laser pointer on a dark, foggy night. Watching the beam cut through the mist is fun – makes you feel a little Jedi-esque. If you can’t get enough of lasers and ...

static const u8 IrDA_NEC_Send_WiMiUS_Projector_P62_Power=0x0b; // 電源ボタン static const u8 IrDA_NEC_Send_WiMiUS_Projector_P62_InputSelect=0x0c; // 入力 ...