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E.g., 07/20/2019
E.g., 07/20/2019
Your search has returned 27 images:
  • computer simulation of an ultraclold cloud of atoms
  • morpho dragonfly
  • IBM quantum computer
Your search has returned 58 articles:
  • 50 years ago, a millionth of a degree above absolute zero seemed cold

    Lowest temperature yet

    A common pin dropped on a table from a height of one-eighth of an inch generates about 10 ergs of energy, obviously a minuscule amount. That 10 ergs raises temperature, and even that tiny amount is “much too much” to be allowed in the experiment during which Dr. Arthur Spohr of the Naval Research Laboratory reached the lowest temperature yet achieved — within...

    07/05/2017 - 07:00 Physics
  • It's Alive

    The blue wings of this dragonfly may be surprisingly alive

    An adult insect wing is basically dead.

    So what in the world were tiny respiratory channels doing in a wing membrane of a morpho dragonfly?

    Rhainer Guillermo Ferreira was so jolted by a scanning electron microscope image showing what looked like skinny, branching tracheal tubes in a morpho wing that he called in another entomologist for a second opinion. Guillermo Ferreira, then at...

    06/30/2017 - 07:00 Animals, Biophysics
  • Feature

    Quantum computers are about to get real

    Although the term “quantum computer” might suggest a miniature, sleek device, the latest incarnations are a far cry from anything available in the Apple Store. In a laboratory just 60 kilometers north of New York City, scientists are running a fledgling quantum computer through its paces — and the whole package looks like something that might be found in a dark corner of a basement. The...

    06/29/2017 - 07:00 Quantum Physics, Computing
  • Science Stats

    Earth’s dry zones support a surprising number of trees

    Earth’s dry regions have more trees than once thought — a hopeful note in the fight against climate change.

    An analysis of high-resolution satellite imagery reveals that drylands globally have 40 to 47 percent more tree cover (an extra 467 million hectares) than reported in earlier estimates. An international team of researchers used Google Earth and Collect Earth, a program developed by...

    06/26/2017 - 07:00 Ecology
  • Reviews & Previews

    Every breath you take contains a molecule of history

    Caesar’s Last BreathSam KeanLittle, Brown and Co., $28

    Julius Caesar could have stayed home on March 15, 44 B.C. But mocking the soothsayer who had predicted his death, the emperor rode in his litter to Rome’s Forum. There he met the iron daggers of 60 senators.

    As he lay in a pool of blood, he may have gasped a final incrimination to his protégé Brutus: You too, my son? Or...

    06/25/2017 - 07:00 Chemistry, Earth, History of Science