Featured
What is a bit and a byte? Logic gates using switches
A bit is one binary digit, 0 or 1, like a switch that is off or on. In a circuit, the bit is the voltage on a wire: 3.3 V for 1, 0 V for 0...
Fresh from the workbench
Latest posts
Builds
What is a bit and a byte? Logic gates using switches
A bit is one binary digit, 0 or 1, like a switch that is off or on. In a circuit, the bit is the voltage on a wire: 3.3 V for 1, 0 V for 0...
Geography
How to Read a Climate Graph: Weather vs Climate
To read a climate graph, read the axes first. The months run along the bottom, the bars show rainfall in millimetres (mm) on one vertical ...
Chemistry
Is Air a Mixture or a Compound? Separating Mixtures
Yes, air is a mixture. Its gases (mostly nitrogen, oxygen and a little argon) are not chemically combined, its make-up changes from day to...
Biology
Osmosis Potato Practical: Percentage Change in Mass
Osmosis is the diffusion of water from a dilute solution to a more concentrated solution through a partially permeable membrane. Only the ...