After a six-week work trip Xiayun, an employee at a semiconductor company in Silicon Valley, had landed at her hometown in China for vacation when she saw the news about H-1B visas. On Friday afternoon, US president Donald Trump signed a proclamation saying that any H-1B visa holder’s entry into the US will be “restricted,…
Before cleaning a remote control, remove the batteries. Then turn the device upside down so that the buttons are facing downward and shake it or tap it against your palm to dislodge any debris that might have fallen between the keys. If you have a compressed air canister, give the remote a blast to shake…
Peacock feathers are greatly admired for their bright iridescent colors, but it turns out they can also emit laser light when dyed multiple times, according to a paper published in the journal Scientific Reports. Per the authors, it’s the first example of a biolaser cavity within the animal kingdom. As previously reported, the bright iridescent…
The team members went through a process of incrementally determining what elements and molecules the bacterial strain could grow on. They already knew it could use oxygen, so they tested other combinations in the lab. When oxygen was absent, RSW1 could process hydrogen gas and elemental sulfur—chemicals it would find spewing from a volcanic vent—and…
You might also consider noise, because a loud machine can be annoying if you’re trying to work or watch TV while you warm up your room. Fortunately, many of the space heaters in CR’s ratings earned a very good or excellent score in our noise test, and those that did worse typically had other shortcomings….
“The signal was out there that this is going to be a heavy, significant rainfall event,” says Vagasky. “But pinpointing exactly where that’s going to fall, you can’t do that.” Flash floods in this part of Texas are nothing new. Eight inches of rainfall in the state “could be on a day that ends in…
There are simple ways to get all the creamy deliciousness you love with less fat—and some smart swaps to try. Maximize the flavor. Use butter as a finishing touch. Do this instead of using it as a cooking fat, says James Briscione, a chef and culinary adviser at Samford University in Birmingham, Ala. If you…
Crude powertrain: The Wagoneer S’s 500 hp is of little use if it can’t be efficiently (or even adequately) employed to move the SUV down the road—and that’s a problem for this SUV. As one tester put it, “Unfortunately, the electric powertrain is one of its worst qualities. It is unrefined in a number of…
Many people prefer to use mineral sunscreens instead of chemical ones for safety and environmental reasons. In 2019, the FDA called on sunscreen manufacturers to provide more safety data on the chemical active ingredients. The agency said it was satisfied with the information it had on titanium dioxide and zinc oxide. The issue with the…
Using heat pumps can be one of the most efficient ways to cool and heat your home. Compared with other heating and cooling devices, they are eco-friendly and could save you money. In cooling mode, they work like air conditioners, extracting heat from the air inside and releasing it outside. In heating mode, they do…