Nutella Bread Recipe: https://www.youtube.com/watch?v=8eHPkpCGdEY
Watch more How to Do Fun Tech & Science Projects videos: http://www.howcast.com/videos/271435-How-to-Make-a-Potato-Powered-Calculator
Long a science-fair project staple, this potato powered calculator is easy to recreate yourself!
Step 1: Number potatoes
Label your potatoes one and two.
Step 2: Remove battery
Remove the batteries from the calculator. Take care to note where the positive and negative terminals are within the battery compartment.
Step 3: Insert nails
Insert a nail into each potato and stick a copper wire into each potato, opposite the nail.
Alligator clips, nails, and wire can be purchased at your local hardware store.
Step 4: Connect clips
Connect one alligator clip to the copper wire in potato no. 1 and attach the other end to the positive battery terminal in the calculator's compartment.
Step 5: Create second connection
Clip a second alligator clip to the nail in potato no. 2, and then connect the other end to the calculator's negative battery connection.
Step 6: Complete circuit
Complete the circuit by clipping the third alligator clip to the nail in potato one and to the copper wire in potato two. Voila, a working calculator!
Did You Know?
Did you know? Americans eat 130 pounds of potatoes per person each year.
Tagged under: calculator,potato,science
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