1) Wearing your shoe, crisscross the laces into an X on one, as is the case when start to tie. Before moving forward, switch the laces, whatever lace is usually over should be under. Continue as you’d ...

Two mathematicians have proved that a straightforward question — how hard is it to untie a knot? — has a complicated answer.

Abstract: To fulfill the sophisticated requirements of forthcoming networks, phased arrays must possess broadband capability, along with extensive scanning and end-fire radiation properties. This ...

Abstract: This paper presents a wideband reconfigurable metasurface design with operating frequency set at 6 GHz by using PIN diode. When the external voltage control diode is switched on or cut off, ...

For a whimsical touch, try hanging delicate white lights from your mantel — they add a soft, magical glow that instantly ...

Think before you throw out your used containers. Here's how to transform empty vessels into something you'll use time and ...