From the best eye mask for travel to the best neck pillow, every item on this list is under $40. This mix of accessories can be used in-flight, on a train or bus, and even long after you’ve arrived at ...

Give your jewelry first-class treatment with this luxe velvet travel jewelry box, just $6 during Amazon Prime Day. Available in eight fun colors, this portable jewelry organizer has separate ...

Quasi-complementary sequence sets (QCSSs) play an important role in multi-carrier code-division multiple-access (MC-CDMA) systems. They can support more users than perfect complementary sequence sets ...