Once it was demonstrated that X-rays diffracting from a protein crystal contain sufficient information to determine its atomic structure, the more complex puzzles were at first relatively obvious ...

The NAO2GTO scheme provides an efficient way to evaluate the electron repulsion integrals (ERIs) over numerical atomic orbitals (NAOs ... gradients of Hartree-Fock exchange (HFX) energy for periodic ...

The Bulletin of the Atomic Scientists announced on Jan. 28 that the hands of the Doomsday Clock are moving forward, to 89 seconds to midnight—the closest it has ever been to apocalypse. “The world has ...

Jan. 28 (UPI) --Due to "deeply concerning" world trends, the Bulletin of the Atomic Scientists said its "Doomsday Clock" is now 89 seconds to midnight. On Tuesday, the bulletin stated it is "the ...

Humanity is closer to species-threatening disaster than ever before, according to the Bulletin of the Atomic Scientists, who today moved the hand of the "Doomsday Clock" to 89 seconds to midnight.

The mayors of Hiroshima and Nagasaki have requested that U.S. President Donald Trump visit the atomic-bombed cities this year to commemorate the 80th anniversary of the attacks and the end of ...

The periodic table looks complete ... After around 4 trillion atomic collisions, just three atoms of element 113 were detected, and each existed for around 2 ms before breaking apart.

The next generation of atomic clocks "ticks" with the frequency ... By interacting, they form a new, crystalline structure. "In addition, this concept allows the strengths of different types ...

Once your GCSE exams are all done and results day approaches, you might be feeling all kind of things: excited, nervous, overwhelmed… Don't worry, this is completely normal and, as always ...