The accelerating expansion of the universe is usually explained by an invisible force known as dark energy. But a new study suggests this mysterious ingredient may not be necessary after all. Using an ...

The acceleration of charged particles to ultra-high energies by intense laser pulses could be made a reality by petawatt laser facilities. Laser-based approaches promise a low-cost, compact and simple ...

Somer G. Anderson is CPA, doctor of accounting, and an accounting and finance professor who has been working in the accounting and finance industries for more than 20 years. Her expertise covers a ...

Plasma-based accelerators use plasmas to increase the kinetic energy of charged particles such as electrons, protons, and ions. Plasma-based accelerators usually use laser-produced plasmas in which ...