Wooden objects are seen after they were 3D-printed using wood ink by Israeli scientists from the Hebrew University of Jerusalem, the wood is printed flat and has the ability to solidify once dried, and warp into complex 3D objects in Jerusalem, September 6, 2022. REUTERS/Ronen Zvulun 

Wooden objects are seen after they were 3D-printed using wood ink by Israeli scientists from the Hebrew University of Jerusalem, the wood is printed flat and has the ability to solidify once dried, and warp into complex 3D objects in Jerusalem, September 6, 2022. REUTERS/Ronen Zvulun 

A wooden object is seen after it was 3D-printed using wood ink by Israeli scientists from the Hebrew University of Jerusalem, the flat wood has the ability to solidify once dried, and warp into complex 3D objects in Jerusalem, September 6, 2022. REUTERS/Ronen Zvulun 

A 3D printer forms a flat object using wood ink developed by Israeli scientists from the Hebrew University of Jerusalem, the flat wood has the ability to solidify once dried, and warp into complex 3D objects in Jerusalem, September 6, 2022. REUTERS/Ronen Zvulun 

A 3D printer forms a flat object using wood ink developed by Israeli scientists from the Hebrew University of Jerusalem, the flat wood has the ability to solidify once dried, and warp into complex 3D objects in Jerusalem, September 6, 2022. REUTERS/Ronen Zvulun 

A warped, burned keyboard is seen inside Acco Theatre Center, in Acre, Israel, May 23, 2021.Picture taken May 23, 2021. REUTERS/Baz Ratner 

A combination picture shows (L-R) steam billowing from the White House early in the morning following the 2020 U.S. presidential election in Washington, November 7, 2020, U.S. President Donald Trump departing after speaking about the 2020 U.S. presidential election results in the Brady Press Briefing Room at the White House in Washington, November 5, 2020, a truck with a sign which reads "Loser" near the White House in Washington, November 6, 2020, and White House staff members watching and listening as U.S. President Donald Trump holds an event about the "Operation Warp Speed" program, the joint Defense Department and HHS initiative that has struck deals with several drugmakers in an effort to help speed up the search for effective treatments for the ongoing coronavirus disease (COVID-19) pandemic, in the Rose Garden of the White House in Washington, U.S., November 13, 2020. REUTERS/Carlos Barria SEARCH "BARRIA POSTCARDS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES 

Florida Governor Ron DeSantis (R-FL) wipes his nose before taking his seat during an Operation Warp Speed Vaccine Summit at the White House in Washington, U.S., December 8, 2020. REUTERS/Tom Brenner 

Attendees meet and talk near their seats ahead of U.S. President Donald Trump's remarks during an Operation Warp Speed Vaccine Summit at the White House in Washington, U.S., December 8, 2020. REUTERS/Tom Brenner 

Attendees meet and talk near their seats ahead of U.S. President Donald Trump's remarks during an Operation Warp Speed Vaccine Summit at the White House in Washington, U.S., December 8, 2020. REUTERS/Tom Brenner 

Dr. Deborah Birx walks to take her seat ahead of U.S. President Donald Trump's remarks during an Operation Warp Speed Vaccine Summit at the White House in Washington, U.S., December 8, 2020. REUTERS/Tom Brenner 

Florida Governor Ron DeSantis (R-FL) wipes his nose before taking his seat during an Operation Warp Speed Vaccine Summit at the White House in Washington, U.S., December 8, 2020. REUTERS/Tom Brenner 

CDC Director Robert Redfield speaks to a fellow attendee ahead of U.S. President Donald Trump's remarks during an Operation Warp Speed Vaccine Summit at the White House in Washington, U.S., December 8, 2020. REUTERS/Tom Brenner 

Attendees meet and talk near their seats ahead of U.S. President Donald Trump's remarks during an Operation Warp Speed Vaccine Summit at the White House in Washington, U.S., December 8, 2020. REUTERS/Tom Brenner 

Attendees meet and talk near their seats ahead of U.S. President Donald Trump's remarks during an Operation Warp Speed Vaccine Summit at the White House in Washington, U.S., December 8, 2020. REUTERS/Tom Brenner 

Dr. Deborah Birx walks to take her seat ahead of U.S. President Donald Trump's remarks during an Operation Warp Speed Vaccine Summit at the White House in Washington, U.S., December 8, 2020. REUTERS/Tom Brenner 

An attendee captures cell phone video of U.S. President Donald Trump's remarks during an Operation Warp Speed Vaccine Summit at the White House in Washington, U.S., December 8, 2020. REUTERS/Tom Brenner 

U.S. President Donald Trump delivers remarks during an Operation Warp Speed Vaccine Summit at the White House in Washington, U.S., December 8, 2020. REUTERS/Tom Brenner 

Audience members and journalists are reflected in a mirror during an Operation Warp Speed Vaccine Summit at the White House in Washington, U.S., December 8, 2020. REUTERS/Tom Brenner 

U.S. President Donald Trump delivers remarks during an Operation Warp Speed Vaccine Summit at the White House in Washington, U.S., December 8, 2020. REUTERS/Tom Brenner 

Ivanka Trump, Senior Advisor and daughter to U.S. President Donald Trump is reflected in a mirror during an Operation Warp Speed Vaccine Summit at the White House in Washington, U.S., December 8, 2020. REUTERS/Tom Brenner 

U.S. President Donald Trump reacts to the audience after delivering remarks during an Operation Warp Speed Vaccine Summit at the White House in Washington, U.S., December 8, 2020. REUTERS/Tom Brenner 

U.S. President Donald Trump reacts to the audience after delivering remarks during an Operation Warp Speed Vaccine Summit at the White House in Washington, U.S., December 8, 2020. REUTERS/Tom Brenner 

U.S. President Donald Trump signs an executive order on vaccine distribution during an Operation Warp Speed Vaccine Summit at the White House in Washington, U.S., December 8, 2020. REUTERS/Tom Brenner 

U.S. President Donald Trump signs an executive order on vaccine distribution during an Operation Warp Speed Vaccine Summit at the White House in Washington, U.S., December 8, 2020. REUTERS/Tom Brenner 

U.S. President Donald Trump signs an executive order on vaccine distribution during an Operation Warp Speed Vaccine Summit at the White House in Washington, U.S., December 8, 2020. REUTERS/Tom Brenner 

U.S. President Donald Trump signs an executive order on vaccine distribution during an Operation Warp Speed Vaccine Summit at the White House in Washington, U.S., December 8, 2020. REUTERS/Tom Brenner 

U.S. President Donald Trump signs an executive order on vaccine distribution during an Operation Warp Speed Vaccine Summit at the White House in Washington, U.S., December 8, 2020. REUTERS/Tom Brenner 

U.S. President Donald Trump delivers remarks at an Operation Warp Speed Vaccine Summit at the White House in Washington, U.S., December 8, 2020. REUTERS/Tom Brenner 

U.S. President Donald Trump delivers remarks at an Operation Warp Speed Vaccine Summit at the White House in Washington, U.S., December 8, 2020. REUTERS/Tom Brenner 

U.S. President Donald Trump delivers remarks at an Operation Warp Speed Vaccine Summit at the White House in Washington, U.S., December 8, 2020. REUTERS/Tom Brenner 

U.S. President Donald Trump delivers remarks at an Operation Warp Speed Vaccine Summit at the White House in Washington, U.S., December 8, 2020. REUTERS/Tom Brenner 

U.S. President Donald Trump delivers remarks at an Operation Warp Speed Vaccine Summit at the White House in Washington, U.S., December 8, 2020. REUTERS/Tom Brenner 

U.S. President Donald Trump delivers remarks at an Operation Warp Speed Vaccine Summit at the White House in Washington, U.S., December 8, 2020. REUTERS/Tom Brenner 

U.S. Army Gen. Gustave Perna, who co-leads the Trump administration effort dubbed "Operation Warp Speed" to find a vaccine for the coronavirus disease (COVID-19), and Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, listen during a briefing by the White House coronavirus task force in the Brady press briefing room at the White House in Washington, U.S., November 19, 2020. REUTERS/Leah Millis 

A U.S. Secret Service agent wearing a protective face mask stands at his post in the Rose Garden, in front of a line of White House staff members, as President Donald Trump delivers an update on the so-called "Operation Warp Speed" program, the joint Defense Department and HHS initiative that has struck deals with several drugmakers in an effort to help speed up the search for effective treatments for the ongoing coronavirus disease (COVID-19) pandemic, at the White House in Washington, U.S., November 13, 2020. REUTERS/Carlos Barria 

U.S. President Donald Trump smiles as he delivers an update on the so-called Operation Warp Speed program, the joint Defense Department and HHS initiative that has struck deals with several drugmakers in an effort to help speed up the search for effective treatments for the ongoing coronavirus disease (COVID-19) pandemic, in an address from the Rose Garden at the White House in Washington, U.S., November 13, 2020. REUTERS/Carlos Barria 

A U.S. Secret Service agent wearing a protective face mask stands at her post on the West Wing colonnade outside the Oval Office waiting for the president to walk out to the Rose Garden to deliver an update on the so-called "Operation Warp Speed" program, the joint Defense Department and HHS initiative that has struck deals with several drugmakers in an effort to help speed up the search for effective treatments for the ongoing coronavirus disease (COVID-19) pandemic, at the White House in Washington, U.S., November 13, 2020. REUTERS/Carlos Barria 

U.S. President Donald Trump sits at his desk in the Oval Office after returning at the conclusion of an event about the "Operation Warp Speed" program, the joint Defense Department and HHS initiative that has struck deals with several drugmakers in an effort to help speed up the search for effective treatments for the ongoing coronavirus disease (COVID-19) pandemic, held in the Rose Garden of the White House in Washington, U.S., November 13, 2020. REUTERS/Carlos Barria 

U.S. President Donald Trump stands by his desk in the Oval Office after returning at the conclusion of an event about the "Operation Warp Speed" program, the joint Defense Department and HHS initiative that has struck deals with several drugmakers in an effort to help speed up the search for effective treatments for the ongoing coronavirus disease (COVID-19) pandemic, in the Rose Garden of the White House in Washington, U.S., November 13, 2020. REUTERS/Carlos Barria 

U.S. President Donald Trump is accompanied by Vice President Mike Pence as he delivers an update on the so-called Operation Warp Speed program, the joint Defense Department and HHS initiative that has struck deals with several drugmakers in an effort to help speed up the search for effective treatments for the ongoing coronavirus disease (COVID-19) pandemic, in an address from the Rose Garden at the White House in Washington, U.S., November 13, 2020. REUTERS/Carlos Barria 

U.S. President Donald Trump is accompanied by Vice President Mike Pence as he delivers an update on the so-called Operation Warp Speed program, the joint Defense Department and HHS initiative that has struck deals with several drugmakers in an effort to help speed up the search for effective treatments for the ongoing coronavirus disease (COVID-19) pandemic, in an address from the Rose Garden at the White House in Washington, U.S., November 13, 2020. REUTERS/Carlos Barria 

U.S. President Donald Trump is accompanied by Vice President Mike Pence as he delivers an update on the so-called Operation Warp Speed program, the joint Defense Department and HHS initiative that has struck deals with several drugmakers in an effort to help speed up the search for effective treatments for the ongoing coronavirus disease (COVID-19) pandemic, in an address from the Rose Garden at the White House in Washington, U.S., November 13, 2020. REUTERS/Carlos Barria 

U.S. President Donald Trump sits at his desk in the Oval Office after returning from the conclusion of an event about the "Operation Warp Speed" program, the joint Defense Department and HHS initiative that has struck deals with several drugmakers in an effort to help speed up the search for effective treatments for the ongoing coronavirus disease (COVID-19) pandemic, that was held in the Rose Garden of the White House in Washington, U.S., November 13, 2020. REUTERS/Carlos Barria 

U.S. President Donald Trump delivers an update on the so-called Operation Warp Speed program, the joint Defense Department and HHS initiative that has struck deals with several drugmakers in an effort to help speed up the search for effective treatments for the ongoing coronavirus disease (COVID-19) pandemic, in an address from the Rose Garden at the White House in Washington, U.S., November 13, 2020. REUTERS/Carlos Barria 

U.S. President Donald Trump returns to the Oval Office with Vice President Mike Pence after the conclusion of an event about the "Operation Warp Speed" program, the joint Defense Department and HHS initiative that has struck deals with several drugmakers in an effort to help speed up the search for effective treatments for the ongoing coronavirus disease (COVID-19) pandemic, in the Rose Garden of the White House in Washington, U.S., November 13, 2020. REUTERS/Carlos Barria 

U.S. President Donald Trump returns to the Oval Office with Vice President Mike Pence after the conclusion of an event about the "Operation Warp Speed" program, the joint Defense Department and HHS initiative that has struck deals with several drugmakers in an effort to help speed up the search for effective treatments for the ongoing coronavirus disease (COVID-19) pandemic, in the Rose Garden of the White House in Washington, U.S., November 13, 2020. REUTERS/Carlos Barria 

U.S. President Donald Trump returns to the Oval Office after the conclusion of an event about the "Operation Warp Speed" program, the joint Defense Department and HHS initiative that has struck deals with several drugmakers in an effort to help speed up the search for effective treatments for the ongoing coronavirus disease (COVID-19) pandemic, in the Rose Garden of the White House in Washington, U.S., November 13, 2020. REUTERS/Carlos Barria 

U.S. President Donald Trump delivers an update on the so-called Operation Warp Speed program, the joint Defense Department and HHS initiative that has struck deals with several drugmakers in an effort to help speed up the search for effective treatments for the ongoing coronavirus disease (COVID-19) pandemic, in an address from the Rose Garden at the White House in Washington, U.S., November 13, 2020. REUTERS/Carlos Barria 

U.S. President Donald Trump sits at his desk in the Oval Office after returning from the conclusion of an event about the "Operation Warp Speed" program, the joint Defense Department and HHS initiative that has struck deals with several drugmakers in an effort to help speed up the search for effective treatments for the ongoing coronavirus disease (COVID-19) pandemic, in the Rose Garden of the White House in Washington, U.S., November 13, 2020. REUTERS/Carlos Barria 

U.S. President Donald Trump sits in the Oval Office before delivering an update about the "Operation Warp Speed" program, the joint Defense Department and HHS initiative that has struck deals with several drugmakers in an effort to help speed up the search for effective treatments for the ongoing coronavirus disease (COVID-19) pandemic, in the Rose Garden of the White House in Washington, U.S., November 13, 2020. REUTERS/Carlos Barria TPX IMAGES OF THE DAY 

U.S. President Donald Trump stands by his desk in the Oval Office after returning at the conclusion of an event about the "Operation Warp Speed" program, the joint Defense Department and HHS initiative that has struck deals with several drugmakers in an effort to help speed up the search for effective treatments for the ongoing coronavirus disease (COVID-19) pandemic, in the Rose Garden of the White House in Washington, U.S., November 13, 2020. REUTERS/Carlos Barria 

U.S. President Donald Trump stands by his desk in the Oval Office after returning at the conclusion of an event about the "Operation Warp Speed" program, the joint Defense Department and HHS initiative that has struck deals with several drugmakers in an effort to help speed up the search for effective treatments for the ongoing coronavirus disease (COVID-19) pandemic, in the Rose Garden of the White House in Washington, U.S., November 13, 2020. REUTERS/Carlos Barria 

U.S. President Donald Trump departs after delivering an update on the so-called Operation Warp Speed program, the joint Defense Department and HHS initiative that has struck deals with several drugmakers in an effort to help speed up the search for effective treatments for the ongoing coronavirus disease (COVID-19) pandemic, as Vice President Mike Pence stands by the Rose Garden at the White House in Washington, U.S., November 13, 2020. REUTERS/Carlos Barria 

U.S. President Donald Trump departs after delivering an update on the so-called Operation Warp Speed program, the joint Defense Department and HHS initiative that has struck deals with several drugmakers in an effort to help speed up the search for effective treatments for the ongoing coronavirus disease (COVID-19) pandemic, in the Rose Garden at the White House in Washington, U.S., November 13, 2020. REUTERS/Carlos Barria 

U.S. President Donald Trump listens to Vice President Mike Pence speak during an event about the "Operation Warp Speed" program, the joint Defense Department and HHS initiative that has struck deals with several drugmakers in an effort to help speed up the search for effective treatments for the ongoing coronavirus disease (COVID-19) pandemic, in the Rose Garden of the White House in Washington, U.S., November 13, 2020. REUTERS/Carlos Barria 

U.S. President Donald Trump listens to Vice President Mike Pence speak during an event about the "Operation Warp Speed" program, the joint Defense Department and HHS initiative that has struck deals with several drugmakers in an effort to help speed up the search for effective treatments for the ongoing coronavirus disease (COVID-19) pandemic, in the Rose Garden of the White House in Washington, U.S., November 13, 2020. REUTERS/Carlos Barria 

U.S. President Donald Trump delivers an update on the so-called Operation Warp Speed program, the joint Defense Department and HHS initiative that has struck deals with several drugmakers in an effort to help speed up the search for effective treatments for the ongoing coronavirus disease (COVID-19) pandemic, in an address from the Rose Garden at the White House in Washington, U.S., November 13, 2020. REUTERS/Carlos Barria TPX IMAGES OF THE DAY 

White House staff members watch and listen as U.S. President Donald Trump holds an event about the "Operation Warp Speed" program, the joint Defense Department and HHS initiative that has struck deals with several drugmakers in an effort to help speed up the search for effective treatments for the ongoing coronavirus disease (COVID-19) pandemic, in the Rose Garden of the White House in Washington, U.S., November 13, 2020. REUTERS/Carlos Barria 

U.S. President Donald Trump pauses as he speaks about the "Operation Warp Speed" program, the joint Defense Department and HHS initiative that has struck deals with several drugmakers in an effort to help speed up the search for effective treatments for the ongoing coronavirus disease (COVID-19) pandemic, during an event in the Rose Garden of the White House in Washington, U.S., November 13, 2020. REUTERS/Carlos Barria