Every Friday afternoon before Shabbat, S.Y. Agnon would prepare a sign to hang on his front door. Written in his iconic and almost illegible Hebrew cursive script, the sign read: “Here lives a Jew who ...

The caterpillars that spin commercial silk can make much tougher or more elastic threads, depending on how fast they’re forced to spin. If this research finding is translated into a marketable process ...

Italian researchers have discovered that common backyard spiders, when sprayed by carbon nanomaterials, can produce silk several times stronger than the most resilient spider thread known. Their work ...

Scientists have discovered new uses by spinning carbon nanotubes into longer fibers with additional useful properties. Researchers have found that carbon nanotube threads work well as an antenna ...

The free-spinning locknut turns freely onto a bolt until seated against a base. Further tightening of the nut produces locking action. Operating principles of all these nuts are similar. When the ...