Inkjet hologram printing now possible

Vivid holographic images and text can now be produced by means of an ordinary inkjet printer. This new method, developed by a team of scientists from ITMO University in Saint Petersburg, is expected to significantly reduce ...

date13 hours ago in Optics & Photonics
shares16 comments 0

Aging star's weight loss secret revealed

A team of astronomers using ESO's Very Large Telescope has captured the most detailed images ever of the hypergiant star VY Canis Majoris. These observations show how the unexpectedly large size of the particles of dust surrounding ...

date14 hours ago in Astronomy
shares503 comments 2

Why government and tech can't agree about encryption

Your phone is getting better and better at protecting your privacy. But Uncle Sam isn't totally comfortable with that, because it's also complicating the work of tracking criminals and potential national-security threats.

date16 hours ago in Security
shares9 comments 0