Technology

Internet camera

Internet camera

You know what I would like? An Internet camera. It would be just like the digital camera I have today: it would take pictures, compress them into JPEG files, and store them on an SD card in the…
Metal Foam Could Build Better Bones, Car Bumpers

Metal Foam Could Build Better Bones, Car Bumpers

No, this isn’t a close-up of the surface of a golf ball. It’s a new type of material, one that is porous and elastic, lighter than solid aluminum yet stronger than steel, one that its creators are…
Internet school bus

Internet school bus

Last week, the New York Times published an item about putting wireless Internet on a school bus. Using a $200 router and $60/month for Internet service, a school district in Arizona has equipped a…
A new spam study

A new spam study

According to the lede in a recent New Scientist article: Spammers’ own trickery has been used to develop an “effectively perfect” method for blocking the most common kind of spam, a team of computer…
Once more, on passwords

Once more, on passwords

Recently, the New York Times came out with yet another article about how people consistently pick bad passwords. It’s a hackneyed subject by now, but I shouldn’t complain: I cover this sort of old…
Beetles Inspire Human Wall Walking

Beetles Inspire Human Wall Walking

A palm-sized device invented at Cornell that uses water surface tension as an adhesive bond just might make walking on walls possible for humans. The rapid adhesion mechanism could lead to such…