Slide rules are simple devices that can do some very complex mathematical calculations.
There are numerous different tools available to help you decode resistor color codes, from quick-reference charts available on the internet to iPod/iPhone apps.
For a music band, synchronous 4-track sound recording is the absolute minimal setup.
Nope, you can’t get one there, you gotta make it yourself.
The camera uses near-infrared light emitted by the LEDs.
Sooner or later almost every Maker will need to drill something that is almost un-drillable.
The “Genny” is a multi-purpose treadle-powered machine for rural areas of developing countries, a power source for such needs as: Charging cellphones Charging batteries Processing grain Providing peak power for undersized solar systems Turning water pumps and machine tools Local – Not Imported Gennies can be built using locally available materials, tools, and skills.
Introduction Instead of throwing away the fat you trim off cuts of meat when cooking you can turn the scraps into a useful ingredient.
This was originally meant to be a part of the 140+step concrete lathe project but it is too important to risk it getting buried.
Solar lights are great applications for a remote application, like your back yard.
