Category Archives: NSTA Recommends: Technology

Vernier: Go Direct Force and Acceleration Sensor

Introduction The Go Direct™ Force and Acceleration Sensor couples a 3-axis accelerometer with a stable and accurate force sensor that measures forces as small as ±0.1 N and up to ±50 N and can be used in the classroom or … Continue reading

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Vernier: Go Direct Light and Color

Introduction The Go Direct Light and Color Sensor is a powerful and versatile light sensor that measures visible light, the ultraviolet electromagnetic spectrum, and does color analysis. As seen in the video, by using an RGB color sensor, the relative … Continue reading

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Fire Air Dephlogisticated and the Vernier Go Direct Wireless Oxygen Sensor

Oxygen is one of those very cool elements that can both save a life and kill whether in absence or abundance. Oxygen is necessary for life as we know it, but yet it oxidizes one of the most common elements … Continue reading

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Go Direct® Respiration Belt

Introduction The Go Direct Respiration Belt measures human respiration rate. While using the Go Direct Respiration Belt, you can measure human breathing patterns with a wireless Bluetooth connection or by plugging-in the device with a USB cord. It works with … Continue reading

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Wild Spirits: Measuring Life and Death with the Pasco Wireless CO2 sensor

A student once asked me why if carbon dioxide is so much heavier than air, how come the lower atmosphere doesn’t become thick with CO2 and kill everything? “Umm, well…because it…umm…doesn’t?” The student then asked if I was going to … Continue reading

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The Vernier Go Direct Motion Detector: A Modern Twist on a Timeless Design

Vernier Software and Technology has introduced the next generation of its ultrasonic motion detector. While the gold circle sensor portion looks much like it’s previous five generations, the self-contained battery power source, the cubic form factor and most importantly the … Continue reading

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The Pasco Wireless Weather Station: Like having your own weather satellite

For almost 2000 years, Aristotle’s ideas about weather were the industry standard. Although our hindsight confirmed that many of the theories Aristotle put forth in his work Meteorologica were in error, the depth and breath of his observations and inferences … Continue reading

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The Vernier Go Direct Radiation Monitor: Well Worth the 90-Year Wait

Stephen Hawking died recently marking 2018 as another date in science history from which events will be measured. Isaac Newton was born in 1642, the same year Galileo died. And it is that 1642 date that is often used as … Continue reading

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Go Direct® Gas Pressure Sensor

Introduction The Go Direct Gas Pressure Sensor is used to monitor pressure changes during gas-law experiments. Subsequently, science teachers can use it for graphical analysis and integrate its use in both mathematics and science instruction. In addition, it comes with … Continue reading

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The Carson MicroMini 20x Pocket Microscope: An ounce of magnification is worth a pound of words.

There are a surprising number of so-called “Pocket Microscopes” available today. I even remember pocket microscopes advertised in the pages of comic books back when I was a kid. And at that time, comic books were not targeting adult readers. … Continue reading

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