Cloud seeding can increase rainfall and reduce hail damage to crops, but its use is limited.
John Finney Photography/Moment via Getty Images
Cloud seeding – spraying materials into clouds to increase precipitation – has been around for nearly 80 years. But only recently have scientists been able to measure how effective it really is.
Banning TikTok and WeChat would cut off many Americans from popular social media.
AP Photo/Mark Schiefelbein
Banning the Chinese-owned social media platforms raises free speech concerns and could worsen the US-China trade war.
Latinx students majoring in business are underrepresented in higher education.
Not many Latino students major in business. A researcher explores the reasons why.
Digital attacks can cause havoc in different places all at the same time.
Nuclear threats are serious – but officials, the media and the public keep a close eye on them. There’s less attention to the dangers of cyberattacks, which could cripple key utilities.
Tiny, but deadly, flaws may be hiding in the parts of this 3D-printed gun.
Manufacturing errors, undetected by inexpert consumers, may be more dangerous than other threats from 3D-printed guns.
Could this plug bring both power and peril?
Cybercriminals may steal data from laptops and mobile phones when they are plugged in via USB ports.
Should schools be charged large sums to teach students about space science?
Will new communications licensing costs make small satellites so expensive that they can’t be used for student education?
Would you be – or feel – safer if one of these people were a robot?
Airplanes could be safer with technology at the helm. A key sticking point is human opinion.
With artificial intelligence weapons on both sides, are we in a new cold war?
As tensions between the US and Russia escalate, both sides are developing technological capabilities, including artificial intelligence that could be used in conflict.
Are you ready?
A retail scholar explains what drives consumers to behave badly on one of the busiest shopping days of the year.
Existing cars can stop when they detect pedestrians.
Driver aid systems and self-driving vehicle control systems could override a driver who is trying to attack people and prevent tragedy.
Should robots and artificial intelligence face additional restrictions?
Artificial intelligence has so much beneficial potential that fears about it shouldn’t prompt new regulations. Existing rules already govern human and machine behavior.
Could scanning a QR code be an invitation to malware?
Scanning physical items constructed with nefarious intent can introduce malware into a smartphone or computer.
Hackers will start to get help from robots and artificial intelligence soon.
It won’t be like an army of robots marching in the streets, but AI hacking is on the horizon.
A Wal-Mart employee puts a bow on a discounted television ahead of Black Friday in Los Angeles.
The manic nature of Black Friday has often led shoppers to engage in fistfights and other misbehavior in their desperation to snatch up the last ultra-discounted television, computer or pair of pants…
A trip down memory lane could do you more good than you might think.
I was recently interviewed by a reporter from a major news organisation about my research on the psychology of nostalgia. The reporter was asking me questions such as, “Isn’t it unhealthy to live in the…