Abstract: We show that there is a tight upper bound in the quality-factor differential between modes in a planar optical device, which can be achieved in a perturbed Dirac cone band structure. This ...

This is read by an automated voice. Please report any issues or inconsistencies here. An earthquake strong enough to awaken people across the region rattled the San Francisco Bay Area early Monday.

Trump Heads to UN Gathering Facing Billions in Unpaid Dues Scientists Found 7,000-Year-Old Mummies in the Desert That Don’t Share DNA With Modern Humans Millions of Americans Targeted in Major ...

• 28th Street improvements — Pearl to Iris: This project will improve multimodal travel along 28th Street from Pearl to Iris. Northbound 28th and Valmont Road RTD Stop No. 17992 serving 205 and BOLT ...

School of Chemistry and Chemical Engineering, Nanchang University, No. 999 Xuefu Avenue, Nanchang 330031, PR China ...

Twenty years ago, I travelled a lot for business and found my first set of over-ear noise-cancelling headphones to be a game-changer for long-haul flights. I wore out two pairs of over-ear headphones ...

Researchers celebrate 10th anniversary of gravitational wave discovery, announce verification of a Hawking theorem. Two black holes spiral together and violently merge in this simulation of an event ...

Discovery joins a list of the greatest hits of the LIGO detector, which ten years ago became the first to detect gravitational waves. The songs of the cosmos, now that we can finally hear them, might ...

Abstract: Internal defects and uneven density can reduce the mechanical and insulation performance of basin insulators. At present, the defect detection methods for basin insulators have low ...

DHS said they have launched “Operation Blitz” in the Chicago area in honor of Katherine Abraham, 20, of Glenview, (right), who was killed in a hit-and-run crash caused by a Guatemalan citizen that ...