Does Hot Water Freezes faster?

Beautiful Art Work Of Snow In The Air

“Cold water does not boil faster than hot water. The rate of heating of a liquid depends on the magnitude of the temperature difference between the liquid and its surroundings (the flame on the stove, for instance). As a result, cold water will be absorbing heat faster while it is still cold; once it gets…

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Salt in water sources becoming worrisome in D.C. region, experts warn

The Washington region is growing — a metropolis of nearly 6 million people where area officials are pressing to build another 320,000 homes by the end of this decade. And with that growth comes an increasing, largely unregulated problem: Salt. Lots of it. Paved streets, sidewalks and parking lots need de-icing in winter, with the…

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THE INVENTION OF THE VACUUM CLEANER

In 1901, if you were lucky, you might have witnessed a startling scene on the streets of London—one which would quickly revolutionise how most of us clean our homes. Science Museum Group Collection Hubert Cecil Booth (1871–1955). Science Museum Group Collection Engineer Hubert Cecil Booth was rolling his new vacuum cleaner onto the wealthier streets of…

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‘Heatflation’: How High Temperatures Send Food Prices Soaring

Heatflation How High Temperatures Send Food Prices Soaring

Crops are seen drying up on the banks of the Loire River July 17, 2022, in Ancenis, France. The country was on high alert in mid-July after a punishing heatwave sent temperatures soaring and wildfires raging through parts of southwest Europe. LOIC VENANCE/AFP VIA GETTY IMAGES Vicious heat waves are sweeping parts of the globe, along with the…

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How to Prepare for a Hurricane

In September 2004, Hurricane Ivan struck the Gulf Coast as a powerful Category 3. Homeowners like Jason Huffman (seen here) did all they could beforehand to prepare their homes to withstand the brunt of the storm. STEPHEN MORTON/GETTY IMAGES There’s not much that can rattle a New Yorker. Most have seen enough to know they’ve…

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A Short History of Showering

Man Enjoying His Hot Shower Bath

Personal hygiene hasn’t always been an integral part of grooming, yet the need to clean oneself easily and quickly was as pressing in ancient times as it is today. Bathing in a tub was cumbersome, so those who could bathed under waterfalls. These were the first showers used by man. The first man-made showers that…

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The History of the Silk Road

Beautiful Art Piece Of The History of the Silk Road

The Silk Road or Silk Route was an ancient network of trade routes that were for centuries central to cultural interaction originally through regions of Eurasia connecting the East and West and stretching from the Korean peninsula and Japan to the Mediterranean Sea. The Silk Road concept refers to both the terrestrial and the maritime routes connecting Asia and Europe. The overland Steppe route stretching through the Eurasian steppe is…

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The History of the Gun

Picture Of A Small Pistol Gun

  Many people consider guns as a relatively modern invention. That means people often think the history of guns dates back only a few hundred years when, in actuality, the gun dates back about a thousand years. The history of firearms is long and storied, consisting of many twists and turns along the way. But despite many design improvements…

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Can you learn to wiggle your ears?

Have you ever seen someone wiggle one ear? How about both at the same time? How do they do that? (Image credit: Patrick Lane via Getty Images) Wiggling your ears is a neat party trick, like rolling your tongue or licking your nose. Such abilities are often considered genetic; you can either do them naturally or…

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Why Jack Ruby Killed JFK’s Assassin

If not for the events of Nov. 22, 1963, Jack Ruby may have lived out the rest of his life as he did most of the first 50-plus years of it: as a nobody, an outsider looking in, a small-time crook desperately seeking to belong. As it happened, though that day in Dallas changed a lot…

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1.2 billion-year-old groundwater is some of the oldest on Earth

Man Collecting 1.2 Billion Year Old Ground Water

Researchers discovered 1.2 billion-year-old groundwater inside a mine in South Africa. (Image credit: Dr. Oliver Warr/University of Toronto) Groundwater that was recently discovered deep underground in a mine in South Africa is estimated to be 1.2 billion years old. Researchers suspect that the  groundwater is some of the oldest on the planet, and its chemical interactions…

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These 6 U.S. States Once Declared Themselves Independent Nations

Photo Of The Constitution Header

This map shows the short-lived Republic of West Florida. Taken from the map ‘The British Colonies in North America, 1763-1775.’ RATTYRATTERY/WIKIPEDIA/CREATIVE COMMONS CC0 1.0 The good old U.S. of A. wasn’t always made up of the 50 states that we know today. It took a lot of battles, bloodshed and negotiations to get to this point. Some states…

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Who Invented The Shower?

Woman Enjoying Her Hot Shower Bath

For many of us, taking a daily shower is part of our everyday routine. Approximately half (49%) of people living in the UK have a shower or bath at least once a day and one in five (20%) have a shower four to six times a week*. That’s a lot of time spent in the…

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The biggest state

Beautiful View Of Snow Mountains

The biggest parts of the Union Every state in the Union is bound by the same Constitution, but states aren’t always equal. In terms of wildlife, industries, culture, and even size, the different states can be wildly different from one another. Find out which states make up a bigger part of the union than the…

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Why does ancient Egypt’s distinctive art style make everything look flat?

Ancient Egypts Distinctive Art Style

In 1986, the band “The Bangles” sang about “all the old paintings on the tombs” where the figures they depict are “walking like an Egyptian.” Though he was neither an art historian nor an Egyptologist, songwriter Liam Sternberg was referring to one of the most striking features of ancient Egyptian visual art — the depiction of people,…

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Who was the youngest president?

Picture OF The Youngest US President Theodore Roosevelt

US Constitution According to the constitution, a president must be at least 35 years old to qualify as president. To be president of the United States at any age is an amazing feat done by just 45 people so far. To be the youngest president is even more of an achievement to be able to get to…

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Webb telescope’s new images of stars, galaxies and an exoplanet

(CNN)The first glimpse of how the James Webb Space Telescope will change the way people see the universe has arrived. President Joe Biden has released one of Webb’s first images, and it’s the deepest view of the universe ever captured. The image shows SMACS 0723, where a massive group of galaxy clusters act as a magnifying glass for…

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HOW BRIDGES ARE BUILT OVER WATER?

lmost everyone travel everyday and you must pass any bridge along your way. Bridges are the connecting link between two lands separated with water body. Do you ever think how the pillars are build in the water bodies to construct the bridge? Welcome to Engineering Master. In this article, we will tell the answer… Bridges…

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10 Little-known Facts About the Founding Fathers

Close Up Picture Of The Supreme Court

This painting shows Thomas Jefferson, John Adams, Roger Sherman, Robert Livingston, and Benjamin Franklin presenting the first draft of the Declaration of Independence to the Second Continental Congress. Less than a week later, on July 4, 1776, the colonial delegates signed the document. If asked to come up with a fact or two about the…

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Willis Carrier The Man who Invented Air Conditioning!

Willis Carrier The Man who Invented Air Conditioning

Who hasn’t sung the praises of air conditioning on a sweltering summer day? But who do you have to thank for this refreshing convenience? The short answer to that question is Willis Carrier, an American engineer credited with inventing the first modern air conditioner. However, the idea of using evaporated water — or other liquids…

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Alan Turing: Computer Genius Compared to Einstein

Black and White Picture Of Alan Turing

he 20th century had no shortage of brilliant minds, but perhaps none had as significant an impact on our day-to-day lives as Alan Turing, considered by many as the founding father of modern computer science. Turing was a brilliant mathematician, before he’d even earned a Master’s Degree he wrote probably the second-most-important academic paper of…

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The Net Worth Of Andrew Carnegie $310 Billion! His Story

Have you ever wondered what the net worth of Andrew Carnegie was? Andrew Carnegie has an incredible “rags to riches” story that led him to a net worth today of $310 billion. This is more than Bill Gates, Warren Buffet and Jeff Bezos combined. In this post, we show you exactly how Carnegie built his net…

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The Dangers of Trees That Are Close to the

Fallen trees can cause thousands of dollars in damage to a house and pose a big risk to those who live in it. Tree damage to a home usually is covered by home insurance, according to the Insurance Information Institute. But it’s much better to avoid having to file a claim in the first place.…

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Meet the mites that have sex on your face and nipples while you sleep

The idea of eight-legged mites that have sex on your face and nipples while you sleep may sound like a concept from the latest horror blockbuster. But the creatures are very much real and are becoming such simplified organisms that they may soon ‘become one with humans,’ according to a new study. Demodex folliculorum mites…

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How Many U.S. Presidents Have Been Assassinated?

Black and White Images Of US Presidents Assassinated

Four U.S. presidents have been assassinated while in office and many more have faced serious attempts on their lives. Andrew Jackson holds the dubious distinction of being the first sitting president to survive a serious assassination attempt, which occurred in 1835. Thirty years later, Abraham Lincoln was the first to be slain. Chances are, you…

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What is Manifest Destiny?

Expansion westward seemed perfectly natural to many Americans in the mid-nineteenth century. Like the Massachusetts Puritans who hoped to build a “city upon a hill, “courageous pioneers believed that America had a divine obligation to stretch the boundaries of their noble republic to the Pacific Ocean. Independence had been won in the Revolution and reaffirmed…

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Burr’s Political Legacy Died in the Duel with Hamilton

Burr’s political achievements are largely overshadowed by his duel with Hamilton.The rivalry between Founding Fathers Aaron Burr and Alexander Hamilton stretched much further than the legendary duel where sitting Vice President Aaron Burr shot and fatally wounded former Treasury Secretary Alexander Hamilton. Both were orphans. Both fought in the American Revolution. And both found political success at an early…

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How Bad Is Black Mold, Really?

By: Melanie Radzicki McManus  |  Mar 25, 2021 Black mold is shown on this wall. Regardless of color, you want to remove mold from your house. You don’t want mold in your home. Black, green, orange, yellow — no matter the color, it’s all undesirable. Yet you don’t necessarily have to panic if you see it growing on your walls…

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Where The Name Banana Republic Originated

Banana Republic refers to a politically unstable nation economically dependent on the exportation of a limited resource product (bananas, for example). In 1901, the American author O. Henry coined the term to describe Honduras and neighboring countries under economic exploitation by U.S. corporations, such as the United Fruit Company (today known as Chiquita Brands International). Typically, a…

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Why Is Glass Transparent?

  We use glass all the time, it is practically everywhere. They can be used from enhancing vision, to building bridges. But what is it about glass, that we love it so much? Why is it so important, and why was it revolutionary? Because it is transparent. This is the most important property of glass. We…

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6 Tips for Starting an Old Engine

If you’ve ever tried to start an old car that’s been sitting for a long time, you know that it isn’t always as easy as just turning the key. NURPHOTO/GETTY IMAGES If you’ve ever had an old car sitting around for a while, you know that getting it started and back in running condition isn’t…

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U.S. Gives the Panama Canal to the Panama Government

In Washington, President Jimmy Carter and Panamanian dictator Omar Torrijos sign a treaty agreeing to transfer control of the Panama Canal from the United States to Panama at the end of the 20th century. The Panama Canal Treaty also authorized the immediate abolishment of the Canal Zone, a 10-mile-wide, 40-mile-long U.S.-controlled area that bisected the Republic of Panama. Many…

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Is it Safe to Sleep While Your Car is Running?

It is quite usual for motorists to stop at a petrol station or rest and recreation area to take a nap in their vehicle if they feel drowsy after driving for a number of hours. Is it safe to sleep in the car? It can be deadly if the windows are all wound up and…

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Who built the first automobile?

It’s hard to credit a single person with inventing the automobile. Not only did an estimated 100,000 patents lead to cars as we know them, but people also disagree on what qualifies as the first true automobile. For historians who think that early steam-powered road vehicles fit the bill, the answer is Nicolas-Joseph Cugnot, a…

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Naked Cooks, Excrement, Rats: The Secretly Disgusting History of Royal Palaces

Filthy residences forced European monarchs to constantly move their courts. In July of 1535, King Henry VIII and his court of over 700 people embarked on an epic official tour. Over the next four months the massive entourage would visit around 30 different royal palaces, aristocratic residences and religious institutions. While these stops were important PR events for the…

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Myths People Believe About The Founding Of The United States

The Founding Fathers of the US

In the United States, American schoolchildren grow up learning all about their Founding Fathers, their Revolutionary ancestors, and some unfortunate realities of American history like slavery and indentured servitude. To a large extent, however, they learn myths about the founding of America, and those myths get recycled and amplified with each generation. Moreover, the recitation of those myths isn’t…

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How the Sarissa Helped Make Alexander the Great’s Empire

Alexander the Great in a movie series

Alexander the Great is well known for leading his armies to many victories as he battled through Europe. His armies weaponry however, differed from his enemies in its use of one particular weapon, the sarissa. The sarissa was a type of pike that was wielded with both great ability and efficiency by Alexander’s armies, and…

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A man talking beside a road

CHEYENNE MOUNTAIN AIR FORCE STATION, Colo. (AP) — A quarter-century has passed since the end of the nuclear standoff between the United States and the former Soviet Union, but the famous U.S. military command center inside Colorado’s Cheyenne Mountain is still alive, tracking new threats from new enemies. The U.S. blasted a warren of tunnels…

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How to Escape From Pompeii in 79 AD

A statue of a man crawling

If you had been in Pompeii in 79 AD, you might have tried to hunker down or escape by sea. This would be a mistake. But there is a way to safety.  LET’S SAY YOU were visiting the Roman town of Pompeii on the morning of August 24, 79 AD. And let’s say you arrived sometime…

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Karl Wilhelm Scheele The Founder of Bleach

A portrait of Carl Wilhelm Scheele

Discovering Chlorine Karl Wilhelm Scheele, the seventh of eleven children, born December 9, 1742, to a Swedish couple in Stralsund, was an apprentice to an apothecary in Gothenburg by the age of 14. A dozen years later he was working in a Stockholm pharmacy, studying and experimenting in his spare time with the pharmacy’s salts,…

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Building The Statue of Liberty

A cropped image of the Statue of Liberty

Liberty Enlightening the World. That’s the meaning of the Statue of Liberty on Liberty Island off the coast of New York City. But this iconic statue of a green woman outstretching a torch while clasping a tablet to her chest holds much more history and significance than you may think. The story of building the Statue of…

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How the Brooklyn Bridge was Built

A long large bridge

  The iconic bridge spans over the East River and thousands of people cross the bridge every day to get between Manhattan and Brooklyn. It opened to the public on May 24, 1883 and was designed and constructed over two generations of the Roebling family by John, Washington, and Emily Roebling. The design is a…

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10 Things That Happen to Your Body When You Lose Sleep

A woman sleeping with a mask on her face

What happens if you don’t sleep? Not getting enough sleep can lower your sex drive, weaken your immune system, cause thinking issues, and lead to weight gain.  When you don’t get enough sleep, you may also increase your risk of certain cancers, diabetes, and even car accidents. If you find yourself part of this no-sleep…

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Why Christopher Columbus wasn’t the hero we learned about in school

A painting of Columbus

“In 1492, Columbus sailed the ocean blue.” That rhyme has long been how American students were introduced to Christopher Columbus in elementary school. Students are taught that Columbus is the one who discovered the Americas, sailing across the Atlantic in his three ships: The Niña, Pinta and Santa Maria. The Italian explorer is even celebrated…

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The Great Depression

A black and white photo of men lining up for soup

During the economic boom of the Roaring Twenties, the traditional values of rural America were challenged by the Jazz Age, symbolized by women smoking, drinking, and wearing short skirts. The average American was busy buying automobiles and household appliances, and speculating in the stock market, where big money could be made. Those appliances were bought…

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The Stock Market Crash of 1929

a A black and white photo of people looking at an object  

On October 29, 1929, Black Tuesday hit Wall Street as investors traded some 16 million shares on the New York Stock Exchange in a single day. Billions of dollars were lost, wiping out thousands of investors. In the aftermath of Black Tuesday, America and the rest of the industrialized world spiraled downward into the Great…

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Why Does Jupiter Have 79 Moons When Earth Just Has One?

A comparison of Jupiter and Earth  

  Four of the many moons orbiting Jupiter are shown. Why does this planet have so many moons? STOCKTREK/GETTY IMAGES Earth only has one moon, but dozens of natural satellites revolve around Jupiter, the biggest planet in our solar system. And new members in the Jupiter posse are still being discovered. On July 16, 2018, it was announced that a…

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10 Differences Between Macs and PCs

A scale weighing Apple and Windows

Are you team Mac or team PC? It used to be that if you were to wade into the middle of any large technology conference and shout out “Macs are whack” or “Apple rules, Microsoft stinks,” you could start a riot. The conflict between Apple supporters and Windows fans raged on college campuses, social networks and…

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Why 2,000 Year-Old Roman Concrete Is So Much Better Than What We Produce Today

The Pantheon Basilica in Rome

One of the fascinating mysteries of Ancient Rome is the impressive longevity of some of their concrete harbour structures. Battered by sea waves for 2,000 years, these things are still around while our modern concoctions erode over mere decades. Now scientists have uncovered the incredible chemistry behind this phenomenon, getting closer to unlocking its long-lost…

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What to do if you’re attacked by a swarm of wasps

Stephen Cockroft was stung 42 times after accidentally disturbing a wasps’ nest in his back garden. Here is what you should do if you are attacked by an angry swarm. “Initially I thought I had brushed my arm against a stinging nettle but suddenly wasps were all around my upper torso and face. “I dropped…

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Spiders Can Spin Webs of Silk Stronger Than Steel

Greek mythology tells of a mortal seamstress named Arachne. Her extraordinary talent was matched only by her ego — and in a moment of pure hubris, she challenged the goddess Athena to a high-stakes weaving contest. Suffice it to say this didn’t go well for Arachne. After the showdown, she was transformed into a spider. At least she…

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The Panama Canal

Following the failure of a French construction team in the 1880s, the United States commenced building a canal across a 50-mile stretch of the Panama isthmus in 1904. The project was helped by the elimination of disease-carrying mosquitoes, while chief engineer John Stevens devised innovative techniques and spurred the crucial redesign from a sea-level to…

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