How could you hack an incandescent light bulb to last longer?
I found a youtube video (can't find it now) that showed how to attach a silicon diode to the cap of a bulb before inserting into the socket. Apparently this reduces the power so the filament burns cooler and lasts for several years in constant use. However the video wasn't very clear, especially for someone like me who knows little about electronics.
Could someone do a fool-proof hack instructable? There was also mention of a commercial version which I can't find anywhere. It was a diode-cap combo that you place between the bulb cap and the socket.
Or are there any other ideas?
It would be timely with all the health concerns over CFLs and the imminent lack of availability of incandescents!