Who Invented The Folding Chair? The Answer Is More Complicated Than You Think
When you ask "Who invented the folding chair," Google will give you one answer, but history is often more complicated than a simple answer.
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We Have No Idea What Happens After Technological Singularity (And It's Coming Fast)
Technological singularity is something of a point of no return, in which the future beyond it is unknown. And it might be here sooner than expected.
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How To Convert Watts To Volts
Engineers often need to know how to quickly switch between values measured in watts and those measured in volts. Fortunately, the converstion is fairly easy.
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How To Use A Graphing Calculator
Using a graphing calculator might seem like a daunting task, but following these simple steps will allow you to take advantage of its capabilities.
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The Sun Could Enter An Even More Dangerous Phase Than Solar Maximum
The Sun's activity typically peaks at solar maximum, but there's an even more dangerous stage it could enter, and with potentially dire consequences.
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Your Car Can Protect You From Lightning, But Not For The Reasons You Think
If you're caught in a thunderstorm while driving and worried about a lightning strike, your car can keep you safe, and for reasons that may surprise you.
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Examples Of A Block & Tackle
A block and tackle can be used to provide significant mechanical advantage. There are also different varieties of the tool, each of which functions uniquely.
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How To Calculate A Voltage Drop Across Resistors
Electrical circuits are used to transmit current, and there are plenty of calculations associated with them. Voltage drops are just one of those.
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How To Convert HP To KVA
Horsepower is an important unit when it comes to the power that something can output, but in case you want to see that figure in kVA, here's how to do that.
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How To Convert Hertz To Motor Rpm
You might find frequencies given in terms of hertz, but when it comes to cars, rpm might be a more helpful unit. Here's how you can convert between them.
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How To Convert KWh A Year To KW
If you've looked at an energy meter, you might have seen the unit KWh, but what does it mean? And what can you really make of the data it's giving you?
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What Is A Condensing Unit?
Condensing units are an important component used across many different industries, as well as in normal, everyday life. Here's how the technology works.
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Details Most People Don't Know About Life On The ISS
Life in space is very different from life on Earth; that much is pretty obvious. But what does the regular routine of an astronaut actually look like?
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How Do I Get The Theta Sign On My TI-84?
Theta is a common enough symbol when it comes to math, so how do you get to it on a calculator? If you own a TI-84, here's all you need to know.
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What Is VAC Power?
Electricity really is a staple of modern life; a lot of technology couldn't even exist without it. Everyone uses it all the time, but how does it really work?
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Instructions For A Galileo Thermometer
Galileo thermometers might look quaint, with their colorful balls of liquid, and they're often decorative pieces. But you can read them, and this is how.
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The Ancient Weapons Discovered In An Unassuming Desert Lake Bed
There are many different types of ancient weapons, and those similar to the ones found in a simple lake bed tell quite the interesting tale about humanity.
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DNA Tests Revealed Skeleton Of Cleopatra's Family Member Isn't Who Researchers Thought
Nearly a century ago, researchers believed they had found the skeleton of a family member of Cleopatra, but they might have had it all wrong.
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4 Worst Ways AI Has Affected School
AI has become a pretty hot topic, and it's one that comes with plenty of ethical questions. The topic of schooling has even been affected, and here's how.
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The South Korean Technology That's Reinventing The Wheel
Typically, everyone is led to believe that there's no point in trying to reinvent the wheel, but some new ideas might have just proven that old saying wrong.
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These Robots Were Built To Replace Humans (But Still Have To Work An 8-Hour Shift)
The fear of robots taking over human jobs isn't a new one, and not only that, but it's a reality that's a whole lot closer than you might think
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How To Factor On A TI 84 Plus
Sometimes, advanced mathematics are a little too complicated to do by hand. In such a case, it's helpful to know how to make the best of graphing calculators.
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How To Find Z-Scores On A TI-84 Plus
When it comes to statistics, one of the ways to standardize data sets is to use something called a z-score. Here's how you can find it on a TI-84 Plus.
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How To Charge Multiple 12V Batteries In Line
Everyone's familiar with having to recharge batteries every now and again. If you've ever wondered about the science behind that, though, here's a primer.
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A Quantum Computer Broke RSA Encryption, But It's Not Time To Panic Yet
In 2024, a research team claimed to have used a quantum computer to break a core part of internet security, RSA encryption, but it's not time to panic just yet.
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How To Convert KW To HP For Air Conditioners
While both kilowatts and horsepower measure the same thing, you might want to know how to switch from one unit to the other. Here's how you do it.
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The Simple Trick That Could Save Your Life When Pumping Gas In The Winter
Colder conditions can lead to an increase in static electricity, and one simple trick can keep you safe when pumping gas in the winter months.
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