serrated plastic knife — and you’ll wish hard for something that cuts cleaner, faster, and better. While there are all sorts of ways to build a hot wire foam cutter, this design from ...

Those stick-type hot wire cutters from the craft store that plug into the wall aren’t much better than a knife. The actual cleaving of foam is easier, but dragging a long, hot flexible wand ...

Move it repeatedly to pass the whole knife through the flame. Quickly bring the hot knife to the styrofoam and press it ...

The Korea joint research team has achieved a groundbreaking advancement in the manufacturing technology of air ducts for ...

This is next-level nerd and we love it. A YouTuber has created the entire Kingdom of Hyrule from A Link… Continue reading So ...

I hate Styrofoam so much that it is almost a personality trait. Even before I knew the sinister plastic foam’s real name, it haunted me as a child. The painfully synthetic texture of a foam cup made ...

Try this DIY Halloween Jack-o'-lantern garland made from orange foam sheets. It is easy, takes only 20 minutes, and can be ...

To make the crackers: Cut circles from cork sheets. Rough up the edges slightly so they look natural. Use off-white acrylic ...

While ice baths and saunas may be the talk of social media, there’s still much to be said for simpler (and cheaper) approaches to recovery: cue the humble foam roller. Beyond this, foam rollers ...

Memory foam can be hot, because the foam absorbs your body heat to contour the material around you. That’s why many solid memory foam pillows have ventilation holes to promote air circulation.

There are some common issues with cheaper memory foam mattresses: they tend to lack the cooling abilities of hybrid beds (hot air struggles to circulate in dense foam), and the edges are often weaker.

(Alternatively, you can buy a split king mattress, if available.) Memory foam mattresses have a reputation for sleeping hot because there’s not much space for air to move around within the thick ...