Travel backpacks should be both functional and comfortable. When you're on the go, the last thing you want is a pain in the ...

Whether you want a soft shell or full protection, I've compared and reviewed the best laptop backpack, laptop bag, sleeves and cases. My team of expert reviewers have reviewed over two hundred of ...

In the figure below, each city - except the first one - has a set of items with (value, weight). Consider then the knapsack capacity as 3, the usage fee as 1, the max speed 1 and minimum 0.1. The ...

In a woodland sanctuary north-east of Canberra, a bush stone-curlew named Phil wears a tiny handmade backpack. Fitted to that backpack is a GPS, which helps researchers monitor the birds ...

Looking to hit the ground running? You might think a running backpack is just an extra accessory, but once you start jogging to work or the gym, it becomes your trusty sidekick. It's like finding ...

Rich Scherr is a seasoned journalist and editor who has traveled across the U.S., Canada, and Europe, and spent more than a decade reviewing hotel room.