convert a bicycle to an ‘e-bike’ or electric powered bike
visitors this year: 1,181 when you want an e-bike and you don’t want another bike:
Tagged: battery
the buttons to press to reset a Toshiba laptop when the lithium battery can’t be removed easily
visitors this year: 4,093 Sometimes a laptop goes into a comatose state that no amount of charging or on-offing can end. The solution might be to try the following. If you’re desperate do them...
battery life
visitors this year: 46 Battery life In this experiment an electrical cell is tested to exhaustion. The cell might be a dry-cell, an alkaline cell or a lead-acid accumulator. The decreasing voltage is measured...
types of battery 2
visitors this year: 73 Batteries or electrical cells are made using different substances. There are zinc dry-cells, alkaline cells and lead-acid accumulators. When you use them, the chemicals become exhausted at different rates. So...
types of battery
visitors this year: 125 Batteries are a handy source of power. You’ll know that there are different kinds of batteries, and maybe that some are good for some jobs, and some for others. But battery...
A DNA cocktail; research on your body clock plus hands on at the Cambridge Science Centre – 105science
visitors this year: 73 A DNA drink to enjoy in the sun, how camping can reset your biological clock, and why the Cambridge Science Centre is the place to take the kids this summer! The Science...
