Trying to solve quantum gravity is frustrating. We have made tremendous progress in quantum theory, but it seems that every ...

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Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. A loan constant is a financial metric used by borrowers to compare an annual loan repayment, ...

Astronomers are rethinking one of cosmology’s biggest mysteries: dark energy. New findings show that evolving dark energy models, tied to ultra-light axion particles, may better fit the universe’s ...

Abstract: Constant on-time (COT) controlled multi-phase buck converter has been widely used in high-current applications such as computing devices to achieve high entire-load-range efficiency. However ...

Abstract: Continuum robots have received much attention because of their high degree of flexibility. For modeling the kinematics of continuum robots, the piecewise constant curvature model is widely ...

Every year, the countries competing in the International Mathematical Olympiad arrive with a booklet of their best, most original problems. Those booklets get shared among delegations, then quietly ...

The cosmological constant has been a problem in physics since Einstein, but new research may show why it takes the value that it does despite quantum fluctuations that should make its value ...