Wednesday November 22nd 2017

Posts Tagged ‘physics’

Ahead of the wave

Ahead of the wave

  Bump a glass and any water inside might slop over the side. Splash in the bathtub and waves slosh. Toss a rock into a pond and ripples move outward in expanding rings. In each case, the water moves in waves. Those waves carry energy. And the more energy that gets [Read More]

Riding raindrops

Riding raindrops

  To humans, falling rain usually amounts to little more than a minor inconvenience. After all, we are big and raindrops are small – they splatter on our heads and sleeves, and we end up a little wetter. But a mosquito’s mass is only 2–3 μg and the largest [Read More]

Are we alone?

Are we alone?

  If aliens ever sent us a message, scientists hope to pick it up in a remote part of northern California.   There, in a clearing nestled amid the volcanoes of the Cascade Range, 42 radio dishes point together at the sky. The dishes, each 20 feet across, form a [Read More]

Agent Higgs game turns real particle hunt on its head

Agent Higgs game turns real particle hunt on its head

    As the world waits for the next installment of news in the hunt for the Higgs boson, a simple smart phone game encourages players to hide, not hunt, the world’s favourite particle.    Read more in this New Scientist article.    [Read More]

Bringing down the trash

Bringing down the trash

The density of junk orbiting the Earth is at or near a critical value beyond which this man-made debris will self-perpetuate, forming many smaller pieces that are even more of a problem.I wrote this article for Physics World about the latest ideas about how to bring down [Read More]

Meat from scratch

Meat from scratch

  If all goes according to Mark Post’s plan, he will appear on television in October and devour a hamburger that costs about twice as much as most houses do in the United States. Yes, as Charlotte the spider might have written, that’s some burger. “It’s not [Read More]

Flipping Icebergs

Flipping Icebergs

Icebergs look like towering, frozen mountains that drift through water. Their peaks may soar hundreds of feet above the surface and large ones cover as much area as major cities. When one of these blocks of ice flips over, it causes a great splash. In recent experiments at [Read More]

Graphene Girl Scout Cookies

Graphene Girl Scout Cookies

It’s cookie season! Can the Girl Scouts revolutionize electronics? Find out by listening to this podcast from the Loh Down on Science.     [Read More]

Moon twinkles

Moon twinkles

If you ever travel to the moon, don’t forget to pack a heavy-duty umbrella. It’s not for downpours: With no atmosphere, there’s no chance of rain. But hundreds of times each year, small space rocks smash into the lunar surface, flashing brightly enough to be seen from [Read More]

Mapping the invisible

Mapping the invisible

Most maps show places you can visit and how to get there. Most maps, however, were not made by astronomers — physicists who study stars and galaxies far, far, far away. At a recent meeting in Texas, three teams of these scientists presented new maps unlike any atlas, [Read More]

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Fighting Fire with Fire

Fighting Fire with Fire

Robert Kremens fights fire with fire. No, really – that’s his job. Kremens sets fires in a host of locations across [Read More]

Vaccines: Looking Within for Cancer Treament

Vaccines: Looking Within for Cancer Treament

It’s been 10 years since Tom Liebert received an experimental cancer vaccine to treat his multiple myeloma, and he [Read More]

The quantum world is mind-bogglingly weird

The quantum world is mind-bogglingly weird

If you’re interested in the smallest things known to scientists, there’s something you should know. They are [Read More]

Think Like a Hacker

Think Like a Hacker

One winter morning in 2015, as he left for work from his home in Silver Spring, Md., Jonathan Margulies pushed the [Read More]

Creating sculpture with math

Creating sculpture with math

When he was growing up in the 1940s and 1950s, teachers and parents told Helaman Ferguson he would have to choose [Read More]

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