Dans la vie tout n'est pas rose, des fois c'est brun.
By processing all this data, a research team was able to identify nearly 360,000 people who had cell phone subscriptions during the study period, along with a few million controls. Collectively, the subscription holders logged over 3.8 million person-years of cell phone time. […]
In the end, almost nothing stood out; most ratios were essentially 1, meaning that there was no observed link between the phone users and cancer. […]”
Une imprimante 3D pour imprimer des outils.
Maintenant la question est, si j’en achète une, est-ce que je peux imprimer une imprimante 3D?
“Tactic No. 3: Avoid Slowly Crawling Up to Speed Conventional wisdom says that jackrabbit starts consume more fuel. But it turns out that nursing your speed up to the limit too slowly also lowers mpg. How can that be? Cars get poorer fuel economy in lower gears, and accelerating too slowly prevents upshifting at an efficient rate. The best acceleration rate varies with the vehicle, gear ratios and weight. But in our testing we found that taking 15 seconds to accelerate to 50 mph used less fuel than taking 30 seconds to reach the same speed, because the car entered its top, fuel-saving gear sooner.”
À bientôt 3$ le litre d’essence, ça vaut la peine de lire et de pratiquer ces bons conseils.
Que ferons les hommes quand tous ces scientifiques qui ont développés la bombe seront morts et leur relève n’aura pas l’expérience pour gérer tous les déchets nucléaires de cette technologie destructrice?
The human eye has “an interesting design because the photodetector surface — the retina — has a hemispherically curved shape and that’s a lot different from a commercial digital camera, which uses a flat detector chip,” (via An ‘eyeball camera’ for cell phone — with zoom