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For more than a century,
scientists and engineers have pondered a very different
method for transmitting energy without wires. It's called
power beaming, and for decades inventors, scientists, and
engineers have been in a kind of technological dress
rehearsal to make it happen. They've been tinkering with
ways to use microwaves, radio waves, and even lasers to send
energy from one place to another. More |
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''Never in the field of
human conflict did so many know so little.'' Younger Britons
were the most unfamiliar with the battle as only 33% of
those aged 18 - 24 were able to correctly identify the
battle. Of the other 67% in that age bracket 30% had no idea
what the battle was, 12% thought it was a battle for control
of the Channel in WWI, 9% believed it was a civil war
between England and Scotland, 6% a Viking invasion and 3%
wrongly identified it as the 2019 General Election. More |
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Yogurt was born as a means of
preserving fresh milk, thousands of years before
refrigerators were invented. But forget stashing a tub in
your backpack or on the counter. The United States
Department of Health and Human Services suggests throwing it
out after two hours, the same deadline it gives fresh milk
and other perishables. Why? And what are the true risks?
More
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From please and thank you to
knowing which fork to use at a dinner party, manners are
important. But back when etiquette reigned supreme, there were
more than a few dos and don'ts that now seem utterly insane.
From women wearing their hair to the right way to how to behave
at a wedding, here is the weirdest etiquette advice from the
past 100 years. More
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