Tag Archives: Powers of 10 project

Orders of magnitude

Look at another example of distance based on the meter on a scale line – Erik Max Francis’ Orders of Magnitude: Distance. A Powers of 10 project would be to make your own scale line online.

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Understanding the Nanoscale

Nobel Laureates Heinrich Rohrer and Gerd Binnig who created the scanning tunneling microscope and won the Nobel Prize in Physics in 1986. Gadolinium on Niobium The upper image is a topograph of three gadolinium atoms on a niobium surface. The lower image is a simultaneously acquired map of the conductance in the sample. Courtesy: IBM [...]

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Optical illusion

Rainbows are spectacular optical illusions! For Rene Descartes’ description of a rainbow in 1637, click here. Rainbow: light passing through water drops from Planet Pals… ——————————————————————————————————- Here are some Q & A highlights about rainbows from Weather Wiz Kids: How do we get rainbows? Rainbows are spectacular rays of color. Sunlight looks white, but it’s [...]

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5 (Platonic solids)

How many Platonic solids are there?  Only 5! Definition from Math is Fun: A Platonic Solid is a 3D shape where: each face is the same regular polygon the same number of polygons meet at each vertex (corner) Example: the Cube is a Platonic Solid each face is the same-sized square 3 squares meet at [...]

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(Atomic number) 29 (Copper – Cu)

The name copper is derived from Latin word cuprium which refers to island of Cyprus where ore deposits were found thousands of years ago.  Common uses include coins, sculpture and conductor of electricity. Melting point     1083 Celsius Boiling point      2567 Celsius Copper has 29 electrons and 29 protons.  “In nature it has two isotopes, 63 [...]

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(Saturn’s) 33 (moons)

Up until about 5 or 10 years ago, it looked like Saturn had about 30 or so moons – see Space Today’s  Exploring Saturn from 2005. When the Cassini spacecraft which had been launched in 1997 began sending data back, all kinds of new discoveries were made including more moons.  Today over 62 moons have [...]

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34 (types of pasta)

Photo from EHow Here are 34 types of pasta from What’s On Your Plate? How many have you tried?  Just add hot water! anelli – bavette – bucatini – cannelloni – cappellini – ciriole – cochiglie – farfelle – fedelini – fettucine – funghini – fusilli – fusilli bucati – gemilli – lasagne – linguini [...]

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35 (to 50 percent of the cells in blood are red blood cells)

Image from FotoSearch The importance of the red blood cells is emphasized in a report in US News & World Report. “Red blood cells or erythrocytes account for about 35 to 50 percent of the cells in blood. Red blood cells are filled with hemoglobin, which enables them to deliver oxygen to the tissues of [...]

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(Atomic number) 36 (Krypton and the history of the meter)

Photographs of Krypton Gas and Krypton Plasma: From Jefferson Lab Left – Krypton gas in a sealed glass tube. Center – A Tesla coil is used to excite the atoms in the gas, creating a plasma. Right – A longer exposure of the plasma with all of the room’s lights turned off. —————————————————————————— Of course, [...]

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37 (kW or 50 hp outboard motor)

50 HP MARINER 4 STROKE 6490 Image from Apollo Duck Among the many ways that power can be described are in horsepower (hp), watts (W) or kilowatts (kW).  Horsepower is used more often to describe mechanical energy. From WhatIs.com: “A power level of 1 hp is approximately equivalent to 746 watts (W) or 0.746 kilowatts [...]

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  • Countdown to Powers of Ten Day

    • 10/10/10 1292 days ago