The laser also drills holes and can cut the board outline. A silk screen makes it easy to add a solder mask, and the laser will even cut the mask. [Stephen] also etched “silk screening” into ...

Professionally manufactured boards don’t have this problem since they have solder mask covering the copper that doesn’t need soldering. [Ahmad Tabbouch] has a method that uses Kapton tape to ...

The basic metallurgy of solder. How to make a solder joint. How to repair a circuit board. The vintageTEK museum is a geek’s paradise to tour if visiting the Portland, Oregon area. The museum ...

A collagen mask — like the ones from Biodance and Medicube — is a staple of the “morning shed” on TikTok (and, more recently, of in-flight skin-care-routine videos). Users say the masks ...

Andrew Liszewski is a senior reporter who’s been covering and reviewing the latest gadgets and tech since 2011, but has loved all things electronic since he was a kid. E Ink has collaborated ...

Medical masks are again required in B.C. health-care facilities as provincial authorities say cases of respiratory illness are rising. A statement from B.C.’s Health Ministry says workers ...

0:40 Mask mandates return to certain health-care settings in B.C. Medical masks are again required in British Columbia health-care facilities as provincial authorities say cases of respiratory ...

In Southern California, most hospitals never ended their mask mandates after the COVID-19 pandemic. But now, more mandates are returning. Medical experts predicted the surge in cases due to the ...

The Federal Trade Commission said yesterday it is sending over $1 million in refunds to 6,764 consumers who purchased Razer Zephyr masks that were deceptively marketed as providing N95 protection ...